Home / 13,211.97-19,820.00-4,446.20

Finding the Fourth Proportional to 13,211.97, 19,820.00 and 4,446.20

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Solution

The fourth proportional to 13,211.97, 19,820.00 and 4,446.20 is: 6,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.97 : 19,820.00 = 4,446.20 : x
  2. Step 2: Convert to fraction form
    13,211.97/19,820.00 = 4,446.20/x
  3. Step 3: Cross multiply
    13,211.97x = 19,820.00 × 4,446.20
  4. Step 4: Simplify right side
    13,211.97x = 88,123,562.67
  5. Step 5: Solve for x
    x = 88,123,562.67/13,211.97
  6. Step 6: Final answer
    x = 6,669.98

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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.