Home / 10,329.68-15,489.66-3,751.22

Finding the Fourth Proportional to 10,329.68, 15,489.66 and 3,751.22

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Solution

The fourth proportional to 10,329.68, 15,489.66 and 3,751.22 is: 5,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.68 : 15,489.66 = 3,751.22 : x
  2. Step 2: Convert to fraction form
    10,329.68/15,489.66 = 3,751.22/x
  3. Step 3: Cross multiply
    10,329.68x = 15,489.66 × 3,751.22
  4. Step 4: Simplify right side
    10,329.68x = 58,105,122.39
  5. Step 5: Solve for x
    x = 58,105,122.39/10,329.68
  6. Step 6: Final answer
    x = 5,625.07

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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.