Home / 19,948.70-29,927.49-8,705.85

Finding the Fourth Proportional to 19,948.70, 29,927.49 and 8,705.85

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Solution

The fourth proportional to 19,948.70, 29,927.49 and 8,705.85 is: 13,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.70 : 29,927.49 = 8,705.85 : x
  2. Step 2: Convert to fraction form
    19,948.70/29,927.49 = 8,705.85/x
  3. Step 3: Cross multiply
    19,948.70x = 29,927.49 × 8,705.85
  4. Step 4: Simplify right side
    19,948.70x = 260,544,195.29
  5. Step 5: Solve for x
    x = 260,544,195.29/19,948.70
  6. Step 6: Final answer
    x = 13,060.71

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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.