Home / 18,744.76-28,121.18-5,598.20

Finding the Fourth Proportional to 18,744.76, 28,121.18 and 5,598.20

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Solution

The fourth proportional to 18,744.76, 28,121.18 and 5,598.20 is: 8,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.76 : 28,121.18 = 5,598.20 : x
  2. Step 2: Convert to fraction form
    18,744.76/28,121.18 = 5,598.20/x
  3. Step 3: Cross multiply
    18,744.76x = 28,121.18 × 5,598.20
  4. Step 4: Simplify right side
    18,744.76x = 157,427,989.88
  5. Step 5: Solve for x
    x = 157,427,989.88/18,744.76
  6. Step 6: Final answer
    x = 8,398.51

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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.