Home / 18,461.38-25,488.93-11,398.18

Finding the Fourth Proportional to 18,461.38, 25,488.93 and 11,398.18

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Solution

The fourth proportional to 18,461.38, 25,488.93 and 11,398.18 is: 15,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.38 : 25,488.93 = 11,398.18 : x
  2. Step 2: Convert to fraction form
    18,461.38/25,488.93 = 11,398.18/x
  3. Step 3: Cross multiply
    18,461.38x = 25,488.93 × 11,398.18
  4. Step 4: Simplify right side
    18,461.38x = 290,527,412.15
  5. Step 5: Solve for x
    x = 290,527,412.15/18,461.38
  6. Step 6: Final answer
    x = 15,737.04

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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.