Home / 18,439.29-25,446.18-10,055.79

Finding the Fourth Proportional to 18,439.29, 25,446.18 and 10,055.79

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Solution

The fourth proportional to 18,439.29, 25,446.18 and 10,055.79 is: 13,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.29 : 25,446.18 = 10,055.79 : x
  2. Step 2: Convert to fraction form
    18,439.29/25,446.18 = 10,055.79/x
  3. Step 3: Cross multiply
    18,439.29x = 25,446.18 × 10,055.79
  4. Step 4: Simplify right side
    18,439.29x = 255,881,442.38
  5. Step 5: Solve for x
    x = 255,881,442.38/18,439.29
  6. Step 6: Final answer
    x = 13,876.97

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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.