Home / 20,182.02-27,851.33-11,229.90

Finding the Fourth Proportional to 20,182.02, 27,851.33 and 11,229.90

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Solution

The fourth proportional to 20,182.02, 27,851.33 and 11,229.90 is: 15,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.02 : 27,851.33 = 11,229.90 : x
  2. Step 2: Convert to fraction form
    20,182.02/27,851.33 = 11,229.90/x
  3. Step 3: Cross multiply
    20,182.02x = 27,851.33 × 11,229.90
  4. Step 4: Simplify right side
    20,182.02x = 312,767,650.77
  5. Step 5: Solve for x
    x = 312,767,650.77/20,182.02
  6. Step 6: Final answer
    x = 15,497.34

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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.