Home / 18,229.29-25,156.41-9,845.79

Finding the Fourth Proportional to 18,229.29, 25,156.41 and 9,845.79

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Solution

The fourth proportional to 18,229.29, 25,156.41 and 9,845.79 is: 13,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.29 : 25,156.41 = 9,845.79 : x
  2. Step 2: Convert to fraction form
    18,229.29/25,156.41 = 9,845.79/x
  3. Step 3: Cross multiply
    18,229.29x = 25,156.41 × 9,845.79
  4. Step 4: Simplify right side
    18,229.29x = 247,684,730.01
  5. Step 5: Solve for x
    x = 247,684,730.01/18,229.29
  6. Step 6: Final answer
    x = 13,587.18

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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.