Home / 10,545.53-15,818.33-3,969.95

Finding the Fourth Proportional to 10,545.53, 15,818.33 and 3,969.95

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Solution

The fourth proportional to 10,545.53, 15,818.33 and 3,969.95 is: 5,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.53 : 15,818.33 = 3,969.95 : x
  2. Step 2: Convert to fraction form
    10,545.53/15,818.33 = 3,969.95/x
  3. Step 3: Cross multiply
    10,545.53x = 15,818.33 × 3,969.95
  4. Step 4: Simplify right side
    10,545.53x = 62,797,919.79
  5. Step 5: Solve for x
    x = 62,797,919.79/10,545.53
  6. Step 6: Final answer
    x = 5,954.93

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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.