Home / 14,439.91-19,927.17-8,471.71

Finding the Fourth Proportional to 14,439.91, 19,927.17 and 8,471.71

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Solution

The fourth proportional to 14,439.91, 19,927.17 and 8,471.71 is: 11,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.91 : 19,927.17 = 8,471.71 : x
  2. Step 2: Convert to fraction form
    14,439.91/19,927.17 = 8,471.71/x
  3. Step 3: Cross multiply
    14,439.91x = 19,927.17 × 8,471.71
  4. Step 4: Simplify right side
    14,439.91x = 168,817,205.36
  5. Step 5: Solve for x
    x = 168,817,205.36/14,439.91
  6. Step 6: Final answer
    x = 11,691.02

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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.