Home / 16,118.62-22,237.68-12,337.90

Finding the Fourth Proportional to 16,118.62, 22,237.68 and 12,337.90

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Solution

The fourth proportional to 16,118.62, 22,237.68 and 12,337.90 is: 17,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.62 : 22,237.68 = 12,337.90 : x
  2. Step 2: Convert to fraction form
    16,118.62/22,237.68 = 12,337.90/x
  3. Step 3: Cross multiply
    16,118.62x = 22,237.68 × 12,337.90
  4. Step 4: Simplify right side
    16,118.62x = 274,366,272.07
  5. Step 5: Solve for x
    x = 274,366,272.07/16,118.62
  6. Step 6: Final answer
    x = 17,021.70

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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.