Home / 10,906.16-16,366.40-5,979.29

Finding the Fourth Proportional to 10,906.16, 16,366.40 and 5,979.29

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Solution

The fourth proportional to 10,906.16, 16,366.40 and 5,979.29 is: 8,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.16 : 16,366.40 = 5,979.29 : x
  2. Step 2: Convert to fraction form
    10,906.16/16,366.40 = 5,979.29/x
  3. Step 3: Cross multiply
    10,906.16x = 16,366.40 × 5,979.29
  4. Step 4: Simplify right side
    10,906.16x = 97,859,340.13
  5. Step 5: Solve for x
    x = 97,859,340.13/10,906.16
  6. Step 6: Final answer
    x = 8,972.85

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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.