Home / 16,372.23-22,604.27-12,780.99

Finding the Fourth Proportional to 16,372.23, 22,604.27 and 12,780.99

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Solution

The fourth proportional to 16,372.23, 22,604.27 and 12,780.99 is: 17,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.23 : 22,604.27 = 12,780.99 : x
  2. Step 2: Convert to fraction form
    16,372.23/22,604.27 = 12,780.99/x
  3. Step 3: Cross multiply
    16,372.23x = 22,604.27 × 12,780.99
  4. Step 4: Simplify right side
    16,372.23x = 288,904,948.83
  5. Step 5: Solve for x
    x = 288,904,948.83/16,372.23
  6. Step 6: Final answer
    x = 17,646.04

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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.