Home / 18,374.22-25,318.85-17,381.70

Finding the Fourth Proportional to 18,374.22, 25,318.85 and 17,381.70

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Solution

The fourth proportional to 18,374.22, 25,318.85 and 17,381.70 is: 23,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.22 : 25,318.85 = 17,381.70 : x
  2. Step 2: Convert to fraction form
    18,374.22/25,318.85 = 17,381.70/x
  3. Step 3: Cross multiply
    18,374.22x = 25,318.85 × 17,381.70
  4. Step 4: Simplify right side
    18,374.22x = 440,084,568.14
  5. Step 5: Solve for x
    x = 440,084,568.14/18,374.22
  6. Step 6: Final answer
    x = 23,951.20

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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.