Home / 18,982.32-28,470.56-6,332.30

Finding the Fourth Proportional to 18,982.32, 28,470.56 and 6,332.30

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Solution

The fourth proportional to 18,982.32, 28,470.56 and 6,332.30 is: 9,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.32 : 28,470.56 = 6,332.30 : x
  2. Step 2: Convert to fraction form
    18,982.32/28,470.56 = 6,332.30/x
  3. Step 3: Cross multiply
    18,982.32x = 28,470.56 × 6,332.30
  4. Step 4: Simplify right side
    18,982.32x = 180,284,214.10
  5. Step 5: Solve for x
    x = 180,284,214.10/18,982.32
  6. Step 6: Final answer
    x = 9,497.48

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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.