Home / 8,976.06-13,463.13-3,132.78

Finding the Fourth Proportional to 8,976.06, 13,463.13 and 3,132.78

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Solution

The fourth proportional to 8,976.06, 13,463.13 and 3,132.78 is: 4,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.06 : 13,463.13 = 3,132.78 : x
  2. Step 2: Convert to fraction form
    8,976.06/13,463.13 = 3,132.78/x
  3. Step 3: Cross multiply
    8,976.06x = 13,463.13 × 3,132.78
  4. Step 4: Simplify right side
    8,976.06x = 42,177,024.40
  5. Step 5: Solve for x
    x = 42,177,024.40/8,976.06
  6. Step 6: Final answer
    x = 4,698.83

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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.