Home / 10,389.68-15,581.04-3,367.83

Finding the Fourth Proportional to 10,389.68, 15,581.04 and 3,367.83

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Solution

The fourth proportional to 10,389.68, 15,581.04 and 3,367.83 is: 5,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.68 : 15,581.04 = 3,367.83 : x
  2. Step 2: Convert to fraction form
    10,389.68/15,581.04 = 3,367.83/x
  3. Step 3: Cross multiply
    10,389.68x = 15,581.04 × 3,367.83
  4. Step 4: Simplify right side
    10,389.68x = 52,474,293.94
  5. Step 5: Solve for x
    x = 52,474,293.94/10,389.68
  6. Step 6: Final answer
    x = 5,050.62

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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.