Home / 10,545.80-15,817.48-2,755.22

Finding the Fourth Proportional to 10,545.80, 15,817.48 and 2,755.22

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Solution

The fourth proportional to 10,545.80, 15,817.48 and 2,755.22 is: 4,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.80 : 15,817.48 = 2,755.22 : x
  2. Step 2: Convert to fraction form
    10,545.80/15,817.48 = 2,755.22/x
  3. Step 3: Cross multiply
    10,545.80x = 15,817.48 × 2,755.22
  4. Step 4: Simplify right side
    10,545.80x = 43,580,551.27
  5. Step 5: Solve for x
    x = 43,580,551.27/10,545.80
  6. Step 6: Final answer
    x = 4,132.51

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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.