Home / 10,367.18-15,545.73-3,788.90

Finding the Fourth Proportional to 10,367.18, 15,545.73 and 3,788.90

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Solution

The fourth proportional to 10,367.18, 15,545.73 and 3,788.90 is: 5,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.18 : 15,545.73 = 3,788.90 : x
  2. Step 2: Convert to fraction form
    10,367.18/15,545.73 = 3,788.90/x
  3. Step 3: Cross multiply
    10,367.18x = 15,545.73 × 3,788.90
  4. Step 4: Simplify right side
    10,367.18x = 58,901,216.40
  5. Step 5: Solve for x
    x = 58,901,216.40/10,367.18
  6. Step 6: Final answer
    x = 5,681.51

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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.