Home / 18,372.28-25,316.22-17,379.82

Finding the Fourth Proportional to 18,372.28, 25,316.22 and 17,379.82

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Solution

The fourth proportional to 18,372.28, 25,316.22 and 17,379.82 is: 23,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.28 : 25,316.22 = 17,379.82 : x
  2. Step 2: Convert to fraction form
    18,372.28/25,316.22 = 17,379.82/x
  3. Step 3: Cross multiply
    18,372.28x = 25,316.22 × 17,379.82
  4. Step 4: Simplify right side
    18,372.28x = 439,991,346.68
  5. Step 5: Solve for x
    x = 439,991,346.68/18,372.28
  6. Step 6: Final answer
    x = 23,948.65

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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.