Home / 18,575.12-25,633.16-11,304.48

Finding the Fourth Proportional to 18,575.12, 25,633.16 and 11,304.48

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Solution

The fourth proportional to 18,575.12, 25,633.16 and 11,304.48 is: 15,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.12 : 25,633.16 = 11,304.48 : x
  2. Step 2: Convert to fraction form
    18,575.12/25,633.16 = 11,304.48/x
  3. Step 3: Cross multiply
    18,575.12x = 25,633.16 × 11,304.48
  4. Step 4: Simplify right side
    18,575.12x = 289,769,488.03
  5. Step 5: Solve for x
    x = 289,769,488.03/18,575.12
  6. Step 6: Final answer
    x = 15,599.88

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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.