Home / 19,841.10-29,713.05-9,440.70

Finding the Fourth Proportional to 19,841.10, 29,713.05 and 9,440.70

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Solution

The fourth proportional to 19,841.10, 29,713.05 and 9,440.70 is: 14,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.10 : 29,713.05 = 9,440.70 : x
  2. Step 2: Convert to fraction form
    19,841.10/29,713.05 = 9,440.70/x
  3. Step 3: Cross multiply
    19,841.10x = 29,713.05 × 9,440.70
  4. Step 4: Simplify right side
    19,841.10x = 280,511,991.14
  5. Step 5: Solve for x
    x = 280,511,991.14/19,841.10
  6. Step 6: Final answer
    x = 14,137.93

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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.