Home / 21,202.97-31,820.85-14,674.77

Finding the Fourth Proportional to 21,202.97, 31,820.85 and 14,674.77

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Solution

The fourth proportional to 21,202.97, 31,820.85 and 14,674.77 is: 22,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.97 : 31,820.85 = 14,674.77 : x
  2. Step 2: Convert to fraction form
    21,202.97/31,820.85 = 14,674.77/x
  3. Step 3: Cross multiply
    21,202.97x = 31,820.85 × 14,674.77
  4. Step 4: Simplify right side
    21,202.97x = 466,963,654.95
  5. Step 5: Solve for x
    x = 466,963,654.95/21,202.97
  6. Step 6: Final answer
    x = 22,023.51

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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.