Home / 10,329.90-15,489.09-3,756.30

Finding the Fourth Proportional to 10,329.90, 15,489.09 and 3,756.30

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Solution

The fourth proportional to 10,329.90, 15,489.09 and 3,756.30 is: 5,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.90 : 15,489.09 = 3,756.30 : x
  2. Step 2: Convert to fraction form
    10,329.90/15,489.09 = 3,756.30/x
  3. Step 3: Cross multiply
    10,329.90x = 15,489.09 × 3,756.30
  4. Step 4: Simplify right side
    10,329.90x = 58,181,668.77
  5. Step 5: Solve for x
    x = 58,181,668.77/10,329.90
  6. Step 6: Final answer
    x = 5,632.36

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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.