Home / 18,982.20-28,470.38-6,332.18

Finding the Fourth Proportional to 18,982.20, 28,470.38 and 6,332.18

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Solution

The fourth proportional to 18,982.20, 28,470.38 and 6,332.18 is: 9,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.20 : 28,470.38 = 6,332.18 : x
  2. Step 2: Convert to fraction form
    18,982.20/28,470.38 = 6,332.18/x
  3. Step 3: Cross multiply
    18,982.20x = 28,470.38 × 6,332.18
  4. Step 4: Simplify right side
    18,982.20x = 180,279,539.17
  5. Step 5: Solve for x
    x = 180,279,539.17/18,982.20
  6. Step 6: Final answer
    x = 9,497.30

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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.