Home / 9,164.09-12,645.56-7,280.24

Finding the Fourth Proportional to 9,164.09, 12,645.56 and 7,280.24

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Solution

The fourth proportional to 9,164.09, 12,645.56 and 7,280.24 is: 10,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.09 : 12,645.56 = 7,280.24 : x
  2. Step 2: Convert to fraction form
    9,164.09/12,645.56 = 7,280.24/x
  3. Step 3: Cross multiply
    9,164.09x = 12,645.56 × 7,280.24
  4. Step 4: Simplify right side
    9,164.09x = 92,062,612.11
  5. Step 5: Solve for x
    x = 92,062,612.11/9,164.09
  6. Step 6: Final answer
    x = 10,046.02

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Half scale
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Double scale
Find fourth proportional to 9,165.09, 12,646.93 and 7,281.24
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.