Home / 10,169.20-15,233.96-9,068.40

Finding the Fourth Proportional to 10,169.20, 15,233.96 and 9,068.40

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Solution

The fourth proportional to 10,169.20, 15,233.96 and 9,068.40 is: 13,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.20 : 15,233.96 = 9,068.40 : x
  2. Step 2: Convert to fraction form
    10,169.20/15,233.96 = 9,068.40/x
  3. Step 3: Cross multiply
    10,169.20x = 15,233.96 × 9,068.40
  4. Step 4: Simplify right side
    10,169.20x = 138,147,642.86
  5. Step 5: Solve for x
    x = 138,147,642.86/10,169.20
  6. Step 6: Final answer
    x = 13,584.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.