Home / 10,559.87-15,835.55-3,982.47

Finding the Fourth Proportional to 10,559.87, 15,835.55 and 3,982.47

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Solution

The fourth proportional to 10,559.87, 15,835.55 and 3,982.47 is: 5,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.87 : 15,835.55 = 3,982.47 : x
  2. Step 2: Convert to fraction form
    10,559.87/15,835.55 = 3,982.47/x
  3. Step 3: Cross multiply
    10,559.87x = 15,835.55 × 3,982.47
  4. Step 4: Simplify right side
    10,559.87x = 63,064,545.91
  5. Step 5: Solve for x
    x = 63,064,545.91/10,559.87
  6. Step 6: Final answer
    x = 5,972.10

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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.