Home / 18,954.08-28,443.42-8,565.92

Finding the Fourth Proportional to 18,954.08, 28,443.42 and 8,565.92

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Solution

The fourth proportional to 18,954.08, 28,443.42 and 8,565.92 is: 12,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.08 : 28,443.42 = 8,565.92 : x
  2. Step 2: Convert to fraction form
    18,954.08/28,443.42 = 8,565.92/x
  3. Step 3: Cross multiply
    18,954.08x = 28,443.42 × 8,565.92
  4. Step 4: Simplify right side
    18,954.08x = 243,644,060.25
  5. Step 5: Solve for x
    x = 243,644,060.25/18,954.08
  6. Step 6: Final answer
    x = 12,854.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.