Home / 20,614.41-28,447.82-11,182.97

Finding the Fourth Proportional to 20,614.41, 28,447.82 and 11,182.97

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Solution

The fourth proportional to 20,614.41, 28,447.82 and 11,182.97 is: 15,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.41 : 28,447.82 = 11,182.97 : x
  2. Step 2: Convert to fraction form
    20,614.41/28,447.82 = 11,182.97/x
  3. Step 3: Cross multiply
    20,614.41x = 28,447.82 × 11,182.97
  4. Step 4: Simplify right side
    20,614.41x = 318,131,117.63
  5. Step 5: Solve for x
    x = 318,131,117.63/20,614.41
  6. Step 6: Final answer
    x = 15,432.47

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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.