Home / 20,248.47-27,942.08-11,750.15

Finding the Fourth Proportional to 20,248.47, 27,942.08 and 11,750.15

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Solution

The fourth proportional to 20,248.47, 27,942.08 and 11,750.15 is: 16,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.47 : 27,942.08 = 11,750.15 : x
  2. Step 2: Convert to fraction form
    20,248.47/27,942.08 = 11,750.15/x
  3. Step 3: Cross multiply
    20,248.47x = 27,942.08 × 11,750.15
  4. Step 4: Simplify right side
    20,248.47x = 328,323,432.85
  5. Step 5: Solve for x
    x = 328,323,432.85/20,248.47
  6. Step 6: Final answer
    x = 16,214.73

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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.