Home / 22,375.98-30,876.36-13,423.86

Finding the Fourth Proportional to 22,375.98, 30,876.36 and 13,423.86

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Solution

The fourth proportional to 22,375.98, 30,876.36 and 13,423.86 is: 18,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.98 : 30,876.36 = 13,423.86 : x
  2. Step 2: Convert to fraction form
    22,375.98/30,876.36 = 13,423.86/x
  3. Step 3: Cross multiply
    22,375.98x = 30,876.36 × 13,423.86
  4. Step 4: Simplify right side
    22,375.98x = 414,479,933.95
  5. Step 5: Solve for x
    x = 414,479,933.95/22,375.98
  6. Step 6: Final answer
    x = 18,523.43

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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.