Home / 18,089.75-27,132.53-4,943.18

Finding the Fourth Proportional to 18,089.75, 27,132.53 and 4,943.18

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Solution

The fourth proportional to 18,089.75, 27,132.53 and 4,943.18 is: 7,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.75 : 27,132.53 = 4,943.18 : x
  2. Step 2: Convert to fraction form
    18,089.75/27,132.53 = 4,943.18/x
  3. Step 3: Cross multiply
    18,089.75x = 27,132.53 × 4,943.18
  4. Step 4: Simplify right side
    18,089.75x = 134,120,819.27
  5. Step 5: Solve for x
    x = 134,120,819.27/18,089.75
  6. Step 6: Final answer
    x = 7,414.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.