Home / 20,851.54-31,251.12-14,897.44

Finding the Fourth Proportional to 20,851.54, 31,251.12 and 14,897.44

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Solution

The fourth proportional to 20,851.54, 31,251.12 and 14,897.44 is: 22,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.54 : 31,251.12 = 14,897.44 : x
  2. Step 2: Convert to fraction form
    20,851.54/31,251.12 = 14,897.44/x
  3. Step 3: Cross multiply
    20,851.54x = 31,251.12 × 14,897.44
  4. Step 4: Simplify right side
    20,851.54x = 465,561,685.13
  5. Step 5: Solve for x
    x = 465,561,685.13/20,851.54
  6. Step 6: Final answer
    x = 22,327.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.