Home / 22,446.98-30,976.90-12,375.20

Finding the Fourth Proportional to 22,446.98, 30,976.90 and 12,375.20

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Solution

The fourth proportional to 22,446.98, 30,976.90 and 12,375.20 is: 17,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.98 : 30,976.90 = 12,375.20 : x
  2. Step 2: Convert to fraction form
    22,446.98/30,976.90 = 12,375.20/x
  3. Step 3: Cross multiply
    22,446.98x = 30,976.90 × 12,375.20
  4. Step 4: Simplify right side
    22,446.98x = 383,345,332.88
  5. Step 5: Solve for x
    x = 383,345,332.88/22,446.98
  6. Step 6: Final answer
    x = 17,077.81

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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.