Home / 15,330.60-22,976.64-6,555.20

Finding the Fourth Proportional to 15,330.60, 22,976.64 and 6,555.20

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Solution

The fourth proportional to 15,330.60, 22,976.64 and 6,555.20 is: 9,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.60 : 22,976.64 = 6,555.20 : x
  2. Step 2: Convert to fraction form
    15,330.60/22,976.64 = 6,555.20/x
  3. Step 3: Cross multiply
    15,330.60x = 22,976.64 × 6,555.20
  4. Step 4: Simplify right side
    15,330.60x = 150,616,470.53
  5. Step 5: Solve for x
    x = 150,616,470.53/15,330.60
  6. Step 6: Final answer
    x = 9,824.56

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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.