Home / 10,488.87-15,722.33-3,912.41

Finding the Fourth Proportional to 10,488.87, 15,722.33 and 3,912.41

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Solution

The fourth proportional to 10,488.87, 15,722.33 and 3,912.41 is: 5,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.87 : 15,722.33 = 3,912.41 : x
  2. Step 2: Convert to fraction form
    10,488.87/15,722.33 = 3,912.41/x
  3. Step 3: Cross multiply
    10,488.87x = 15,722.33 × 3,912.41
  4. Step 4: Simplify right side
    10,488.87x = 61,512,201.12
  5. Step 5: Solve for x
    x = 61,512,201.12/10,488.87
  6. Step 6: Final answer
    x = 5,864.52

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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.