Home / 14,587.20-20,123.28-12,597.12

Finding the Fourth Proportional to 14,587.20, 20,123.28 and 12,597.12

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Solution

The fourth proportional to 14,587.20, 20,123.28 and 12,597.12 is: 17,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.20 : 20,123.28 = 12,597.12 : x
  2. Step 2: Convert to fraction form
    14,587.20/20,123.28 = 12,597.12/x
  3. Step 3: Cross multiply
    14,587.20x = 20,123.28 × 12,597.12
  4. Step 4: Simplify right side
    14,587.20x = 253,495,372.95
  5. Step 5: Solve for x
    x = 253,495,372.95/14,587.20
  6. Step 6: Final answer
    x = 17,377.93

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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.