Home / 22,372.44-30,861.12-13,974.36

Finding the Fourth Proportional to 22,372.44, 30,861.12 and 13,974.36

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Solution

The fourth proportional to 22,372.44, 30,861.12 and 13,974.36 is: 19,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.44 : 30,861.12 = 13,974.36 : x
  2. Step 2: Convert to fraction form
    22,372.44/30,861.12 = 13,974.36/x
  3. Step 3: Cross multiply
    22,372.44x = 30,861.12 × 13,974.36
  4. Step 4: Simplify right side
    22,372.44x = 431,264,400.88
  5. Step 5: Solve for x
    x = 431,264,400.88/22,372.44
  6. Step 6: Final answer
    x = 19,276.59

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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.