Home / 18,170.52-25,081.04-13,216.92

Finding the Fourth Proportional to 18,170.52, 25,081.04 and 13,216.92

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Solution

The fourth proportional to 18,170.52, 25,081.04 and 13,216.92 is: 18,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.52 : 25,081.04 = 13,216.92 : x
  2. Step 2: Convert to fraction form
    18,170.52/25,081.04 = 13,216.92/x
  3. Step 3: Cross multiply
    18,170.52x = 25,081.04 × 13,216.92
  4. Step 4: Simplify right side
    18,170.52x = 331,494,099.20
  5. Step 5: Solve for x
    x = 331,494,099.20/18,170.52
  6. Step 6: Final answer
    x = 18,243.51

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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.