Home / 20,182.32-27,851.22-11,229.66

Finding the Fourth Proportional to 20,182.32, 27,851.22 and 11,229.66

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Solution

The fourth proportional to 20,182.32, 27,851.22 and 11,229.66 is: 15,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.32 : 27,851.22 = 11,229.66 : x
  2. Step 2: Convert to fraction form
    20,182.32/27,851.22 = 11,229.66/x
  3. Step 3: Cross multiply
    20,182.32x = 27,851.22 × 11,229.66
  4. Step 4: Simplify right side
    20,182.32x = 312,759,731.19
  5. Step 5: Solve for x
    x = 312,759,731.19/20,182.32
  6. Step 6: Final answer
    x = 15,496.72

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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.