Home / 20,807.17-31,218.41-14,930.96

Finding the Fourth Proportional to 20,807.17, 31,218.41 and 14,930.96

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Solution

The fourth proportional to 20,807.17, 31,218.41 and 14,930.96 is: 22,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807.17 : 31,218.41 = 14,930.96 : x
  2. Step 2: Convert to fraction form
    20,807.17/31,218.41 = 14,930.96/x
  3. Step 3: Cross multiply
    20,807.17x = 31,218.41 × 14,930.96
  4. Step 4: Simplify right side
    20,807.17x = 466,120,830.97
  5. Step 5: Solve for x
    x = 466,120,830.97/20,807.17
  6. Step 6: Final answer
    x = 22,401.93

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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.