Home / 18,788.47-25,932.72-11,239.27

Finding the Fourth Proportional to 18,788.47, 25,932.72 and 11,239.27

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Solution

The fourth proportional to 18,788.47, 25,932.72 and 11,239.27 is: 15,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.47 : 25,932.72 = 11,239.27 : x
  2. Step 2: Convert to fraction form
    18,788.47/25,932.72 = 11,239.27/x
  3. Step 3: Cross multiply
    18,788.47x = 25,932.72 × 11,239.27
  4. Step 4: Simplify right side
    18,788.47x = 291,464,841.91
  5. Step 5: Solve for x
    x = 291,464,841.91/18,788.47
  6. Step 6: Final answer
    x = 15,512.96

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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.