Home / 22,020.58-30,388.35-11,948.95

Finding the Fourth Proportional to 22,020.58, 30,388.35 and 11,948.95

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Solution

The fourth proportional to 22,020.58, 30,388.35 and 11,948.95 is: 16,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.58 : 30,388.35 = 11,948.95 : x
  2. Step 2: Convert to fraction form
    22,020.58/30,388.35 = 11,948.95/x
  3. Step 3: Cross multiply
    22,020.58x = 30,388.35 × 11,948.95
  4. Step 4: Simplify right side
    22,020.58x = 363,108,874.73
  5. Step 5: Solve for x
    x = 363,108,874.73/22,020.58
  6. Step 6: Final answer
    x = 16,489.52

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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.