Home / 11,045.27-15,248.12-8,521.71

Finding the Fourth Proportional to 11,045.27, 15,248.12 and 8,521.71

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Solution

The fourth proportional to 11,045.27, 15,248.12 and 8,521.71 is: 11,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.27 : 15,248.12 = 8,521.71 : x
  2. Step 2: Convert to fraction form
    11,045.27/15,248.12 = 8,521.71/x
  3. Step 3: Cross multiply
    11,045.27x = 15,248.12 × 8,521.71
  4. Step 4: Simplify right side
    11,045.27x = 129,940,056.69
  5. Step 5: Solve for x
    x = 129,940,056.69/11,045.27
  6. Step 6: Final answer
    x = 11,764.32

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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.