Home / 9,816.49-13,546.74-5,340.23

Finding the Fourth Proportional to 9,816.49, 13,546.74 and 5,340.23

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Solution

The fourth proportional to 9,816.49, 13,546.74 and 5,340.23 is: 7,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.49 : 13,546.74 = 5,340.23 : x
  2. Step 2: Convert to fraction form
    9,816.49/13,546.74 = 5,340.23/x
  3. Step 3: Cross multiply
    9,816.49x = 13,546.74 × 5,340.23
  4. Step 4: Simplify right side
    9,816.49x = 72,342,710.44
  5. Step 5: Solve for x
    x = 72,342,710.44/9,816.49
  6. Step 6: Final answer
    x = 7,369.51

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Half scale
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Double scale
Find fourth proportional to 9,817.49, 13,548.12 and 5,341.23
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.