Home / 10,711.38-14,778.80-6,516.66

Finding the Fourth Proportional to 10,711.38, 14,778.80 and 6,516.66

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Solution

The fourth proportional to 10,711.38, 14,778.80 and 6,516.66 is: 8,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.38 : 14,778.80 = 6,516.66 : x
  2. Step 2: Convert to fraction form
    10,711.38/14,778.80 = 6,516.66/x
  3. Step 3: Cross multiply
    10,711.38x = 14,778.80 × 6,516.66
  4. Step 4: Simplify right side
    10,711.38x = 96,308,414.81
  5. Step 5: Solve for x
    x = 96,308,414.81/10,711.38
  6. Step 6: Final answer
    x = 8,991.22

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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.