Home / 10,606.11-14,640.38-9,108.02

Finding the Fourth Proportional to 10,606.11, 14,640.38 and 9,108.02

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Solution

The fourth proportional to 10,606.11, 14,640.38 and 9,108.02 is: 12,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.11 : 14,640.38 = 9,108.02 : x
  2. Step 2: Convert to fraction form
    10,606.11/14,640.38 = 9,108.02/x
  3. Step 3: Cross multiply
    10,606.11x = 14,640.38 × 9,108.02
  4. Step 4: Simplify right side
    10,606.11x = 133,344,755.11
  5. Step 5: Solve for x
    x = 133,344,755.11/10,606.11
  6. Step 6: Final answer
    x = 12,572.45

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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.