Home / 11,101.02-16,651.50-6,480.78

Finding the Fourth Proportional to 11,101.02, 16,651.50 and 6,480.78

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Solution

The fourth proportional to 11,101.02, 16,651.50 and 6,480.78 is: 9,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.02 : 16,651.50 = 6,480.78 : x
  2. Step 2: Convert to fraction form
    11,101.02/16,651.50 = 6,480.78/x
  3. Step 3: Cross multiply
    11,101.02x = 16,651.50 × 6,480.78
  4. Step 4: Simplify right side
    11,101.02x = 107,914,708.17
  5. Step 5: Solve for x
    x = 107,914,708.17/11,101.02
  6. Step 6: Final answer
    x = 9,721.15

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Double scale
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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.