Home / 18,397.53-25,404.84-13,673.61

Finding the Fourth Proportional to 18,397.53, 25,404.84 and 13,673.61

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Solution

The fourth proportional to 18,397.53, 25,404.84 and 13,673.61 is: 18,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.53 : 25,404.84 = 13,673.61 : x
  2. Step 2: Convert to fraction form
    18,397.53/25,404.84 = 13,673.61/x
  3. Step 3: Cross multiply
    18,397.53x = 25,404.84 × 13,673.61
  4. Step 4: Simplify right side
    18,397.53x = 347,375,874.27
  5. Step 5: Solve for x
    x = 347,375,874.27/18,397.53
  6. Step 6: Final answer
    x = 18,881.66

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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.