Home / 14,565.12-21,877.12-8,732.80

Finding the Fourth Proportional to 14,565.12, 21,877.12 and 8,732.80

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Solution

The fourth proportional to 14,565.12, 21,877.12 and 8,732.80 is: 13,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.12 : 21,877.12 = 8,732.80 : x
  2. Step 2: Convert to fraction form
    14,565.12/21,877.12 = 8,732.80/x
  3. Step 3: Cross multiply
    14,565.12x = 21,877.12 × 8,732.80
  4. Step 4: Simplify right side
    14,565.12x = 191,048,513.54
  5. Step 5: Solve for x
    x = 191,048,513.54/14,565.12
  6. Step 6: Final answer
    x = 13,116.85

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1.5x scale

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.