Home / 16,654.18-22,960.38-16,138.21

Finding the Fourth Proportional to 16,654.18, 22,960.38 and 16,138.21

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Solution

The fourth proportional to 16,654.18, 22,960.38 and 16,138.21 is: 22,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654.18 : 22,960.38 = 16,138.21 : x
  2. Step 2: Convert to fraction form
    16,654.18/22,960.38 = 16,138.21/x
  3. Step 3: Cross multiply
    16,654.18x = 22,960.38 × 16,138.21
  4. Step 4: Simplify right side
    16,654.18x = 370,539,434.12
  5. Step 5: Solve for x
    x = 370,539,434.12/16,654.18
  6. Step 6: Final answer
    x = 22,249.04

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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.