Home / 10,887.92-16,289.35-9,561.14

Finding the Fourth Proportional to 10,887.92, 16,289.35 and 9,561.14

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Solution

The fourth proportional to 10,887.92, 16,289.35 and 9,561.14 is: 14,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.92 : 16,289.35 = 9,561.14 : x
  2. Step 2: Convert to fraction form
    10,887.92/16,289.35 = 9,561.14/x
  3. Step 3: Cross multiply
    10,887.92x = 16,289.35 × 9,561.14
  4. Step 4: Simplify right side
    10,887.92x = 155,744,755.86
  5. Step 5: Solve for x
    x = 155,744,755.86/10,887.92
  6. Step 6: Final answer
    x = 14,304.36

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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.