Home / 10,545.04-15,817.17-2,647.61

Finding the Fourth Proportional to 10,545.04, 15,817.17 and 2,647.61

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Solution

The fourth proportional to 10,545.04, 15,817.17 and 2,647.61 is: 3,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.04 : 15,817.17 = 2,647.61 : x
  2. Step 2: Convert to fraction form
    10,545.04/15,817.17 = 2,647.61/x
  3. Step 3: Cross multiply
    10,545.04x = 15,817.17 × 2,647.61
  4. Step 4: Simplify right side
    10,545.04x = 41,877,672.73
  5. Step 5: Solve for x
    x = 41,877,672.73/10,545.04
  6. Step 6: Final answer
    x = 3,971.31

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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.