Home / 10,908.92-15,060.00-8,480.89

Finding the Fourth Proportional to 10,908.92, 15,060.00 and 8,480.89

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Solution

The fourth proportional to 10,908.92, 15,060.00 and 8,480.89 is: 11,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.92 : 15,060.00 = 8,480.89 : x
  2. Step 2: Convert to fraction form
    10,908.92/15,060.00 = 8,480.89/x
  3. Step 3: Cross multiply
    10,908.92x = 15,060.00 × 8,480.89
  4. Step 4: Simplify right side
    10,908.92x = 127,722,209.00
  5. Step 5: Solve for x
    x = 127,722,209.00/10,908.92
  6. Step 6: Final answer
    x = 11,708.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.