Home / 9,643.38-13,307.23-5,393.70

Finding the Fourth Proportional to 9,643.38, 13,307.23 and 5,393.70

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Solution

The fourth proportional to 9,643.38, 13,307.23 and 5,393.70 is: 7,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.38 : 13,307.23 = 5,393.70 : x
  2. Step 2: Convert to fraction form
    9,643.38/13,307.23 = 5,393.70/x
  3. Step 3: Cross multiply
    9,643.38x = 13,307.23 × 5,393.70
  4. Step 4: Simplify right side
    9,643.38x = 71,775,245.18
  5. Step 5: Solve for x
    x = 71,775,245.18/9,643.38
  6. Step 6: Final answer
    x = 7,442.96

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Find fourth proportional to 4,821.69, 6,653.62 and 2,696.85
Half scale
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Double scale
Find fourth proportional to 9,644.38, 13,308.61 and 5,394.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.