Home / 10,166.38-15,325.77-9,489.02

Finding the Fourth Proportional to 10,166.38, 15,325.77 and 9,489.02

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Solution

The fourth proportional to 10,166.38, 15,325.77 and 9,489.02 is: 14,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.38 : 15,325.77 = 9,489.02 : x
  2. Step 2: Convert to fraction form
    10,166.38/15,325.77 = 9,489.02/x
  3. Step 3: Cross multiply
    10,166.38x = 15,325.77 × 9,489.02
  4. Step 4: Simplify right side
    10,166.38x = 145,426,538.05
  5. Step 5: Solve for x
    x = 145,426,538.05/10,166.38
  6. Step 6: Final answer
    x = 14,304.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.