Home / 10,155.65-15,233.09-3,581.69

Finding the Fourth Proportional to 10,155.65, 15,233.09 and 3,581.69

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Solution

The fourth proportional to 10,155.65, 15,233.09 and 3,581.69 is: 5,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.65 : 15,233.09 = 3,581.69 : x
  2. Step 2: Convert to fraction form
    10,155.65/15,233.09 = 3,581.69/x
  3. Step 3: Cross multiply
    10,155.65x = 15,233.09 × 3,581.69
  4. Step 4: Simplify right side
    10,155.65x = 54,560,112.05
  5. Step 5: Solve for x
    x = 54,560,112.05/10,155.65
  6. Step 6: Final answer
    x = 5,372.39

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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.