Home / 14,255.38-21,372.13-8,711.34

Finding the Fourth Proportional to 14,255.38, 21,372.13 and 8,711.34

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Solution

The fourth proportional to 14,255.38, 21,372.13 and 8,711.34 is: 13,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.38 : 21,372.13 = 8,711.34 : x
  2. Step 2: Convert to fraction form
    14,255.38/21,372.13 = 8,711.34/x
  3. Step 3: Cross multiply
    14,255.38x = 21,372.13 × 8,711.34
  4. Step 4: Simplify right side
    14,255.38x = 186,179,890.95
  5. Step 5: Solve for x
    x = 186,179,890.95/14,255.38
  6. Step 6: Final answer
    x = 13,060.32

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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.