Home / 11,778.01-16,253.66-6,472.71

Finding the Fourth Proportional to 11,778.01, 16,253.66 and 6,472.71

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Solution

The fourth proportional to 11,778.01, 16,253.66 and 6,472.71 is: 8,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.01 : 16,253.66 = 6,472.71 : x
  2. Step 2: Convert to fraction form
    11,778.01/16,253.66 = 6,472.71/x
  3. Step 3: Cross multiply
    11,778.01x = 16,253.66 × 6,472.71
  4. Step 4: Simplify right side
    11,778.01x = 105,205,243.80
  5. Step 5: Solve for x
    x = 105,205,243.80/11,778.01
  6. Step 6: Final answer
    x = 8,932.35

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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.