Home / 18,360.47-25,337.41-9,976.97

Finding the Fourth Proportional to 18,360.47, 25,337.41 and 9,976.97

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Solution

The fourth proportional to 18,360.47, 25,337.41 and 9,976.97 is: 13,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.47 : 25,337.41 = 9,976.97 : x
  2. Step 2: Convert to fraction form
    18,360.47/25,337.41 = 9,976.97/x
  3. Step 3: Cross multiply
    18,360.47x = 25,337.41 × 9,976.97
  4. Step 4: Simplify right side
    18,360.47x = 252,790,617.85
  5. Step 5: Solve for x
    x = 252,790,617.85/18,360.47
  6. Step 6: Final answer
    x = 13,768.20

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Double scale
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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.