Home / 19,908.98-29,861.46-6,761.15

Finding the Fourth Proportional to 19,908.98, 29,861.46 and 6,761.15

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Solution

The fourth proportional to 19,908.98, 29,861.46 and 6,761.15 is: 10,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.98 : 29,861.46 = 6,761.15 : x
  2. Step 2: Convert to fraction form
    19,908.98/29,861.46 = 6,761.15/x
  3. Step 3: Cross multiply
    19,908.98x = 29,861.46 × 6,761.15
  4. Step 4: Simplify right side
    19,908.98x = 201,897,660.97
  5. Step 5: Solve for x
    x = 201,897,660.97/19,908.98
  6. Step 6: Final answer
    x = 10,141.04

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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.