Home / 9,140.73-13,621.17-8,843.06

Finding the Fourth Proportional to 9,140.73, 13,621.17 and 8,843.06

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Solution

The fourth proportional to 9,140.73, 13,621.17 and 8,843.06 is: 13,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.73 : 13,621.17 = 8,843.06 : x
  2. Step 2: Convert to fraction form
    9,140.73/13,621.17 = 8,843.06/x
  3. Step 3: Cross multiply
    9,140.73x = 13,621.17 × 8,843.06
  4. Step 4: Simplify right side
    9,140.73x = 120,452,755.47
  5. Step 5: Solve for x
    x = 120,452,755.47/9,140.73
  6. Step 6: Final answer
    x = 13,177.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.