Home / 20,516.11-30,752.19-14,654.95

Finding the Fourth Proportional to 20,516.11, 30,752.19 and 14,654.95

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Solution

The fourth proportional to 20,516.11, 30,752.19 and 14,654.95 is: 21,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.11 : 30,752.19 = 14,654.95 : x
  2. Step 2: Convert to fraction form
    20,516.11/30,752.19 = 14,654.95/x
  3. Step 3: Cross multiply
    20,516.11x = 30,752.19 × 14,654.95
  4. Step 4: Simplify right side
    20,516.11x = 450,671,806.84
  5. Step 5: Solve for x
    x = 450,671,806.84/20,516.11
  6. Step 6: Final answer
    x = 21,966.73

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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.