Home / 18,514.08-25,549.92-11,439.84

Finding the Fourth Proportional to 18,514.08, 25,549.92 and 11,439.84

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Solution

The fourth proportional to 18,514.08, 25,549.92 and 11,439.84 is: 15,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.08 : 25,549.92 = 11,439.84 : x
  2. Step 2: Convert to fraction form
    18,514.08/25,549.92 = 11,439.84/x
  3. Step 3: Cross multiply
    18,514.08x = 25,549.92 × 11,439.84
  4. Step 4: Simplify right side
    18,514.08x = 292,286,996.81
  5. Step 5: Solve for x
    x = 292,286,996.81/18,514.08
  6. Step 6: Final answer
    x = 15,787.28

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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.