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Finding the Fourth Proportional to 13,042.99, 17,998.23 and 7,377.45

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Solution

The fourth proportional to 13,042.99, 17,998.23 and 7,377.45 is: 10,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.99 : 17,998.23 = 7,377.45 : x
  2. Step 2: Convert to fraction form
    13,042.99/17,998.23 = 7,377.45/x
  3. Step 3: Cross multiply
    13,042.99x = 17,998.23 × 7,377.45
  4. Step 4: Simplify right side
    13,042.99x = 132,781,041.91
  5. Step 5: Solve for x
    x = 132,781,041.91/13,042.99
  6. Step 6: Final answer
    x = 10,180.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.