Home / 9,963.39-13,757.16-6,610.90

Finding the Fourth Proportional to 9,963.39, 13,757.16 and 6,610.90

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Solution

The fourth proportional to 9,963.39, 13,757.16 and 6,610.90 is: 9,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.39 : 13,757.16 = 6,610.90 : x
  2. Step 2: Convert to fraction form
    9,963.39/13,757.16 = 6,610.90/x
  3. Step 3: Cross multiply
    9,963.39x = 13,757.16 × 6,610.90
  4. Step 4: Simplify right side
    9,963.39x = 90,947,209.04
  5. Step 5: Solve for x
    x = 90,947,209.04/9,963.39
  6. Step 6: Final answer
    x = 9,128.14

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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.