Home / 11,167.17-15,411.42-6,451.80

Finding the Fourth Proportional to 11,167.17, 15,411.42 and 6,451.80

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Solution

The fourth proportional to 11,167.17, 15,411.42 and 6,451.80 is: 8,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.17 : 15,411.42 = 6,451.80 : x
  2. Step 2: Convert to fraction form
    11,167.17/15,411.42 = 6,451.80/x
  3. Step 3: Cross multiply
    11,167.17x = 15,411.42 × 6,451.80
  4. Step 4: Simplify right side
    11,167.17x = 99,431,399.56
  5. Step 5: Solve for x
    x = 99,431,399.56/11,167.17
  6. Step 6: Final answer
    x = 8,903.90

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Double scale
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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.