Home / 10,104.81-15,150.33-5,170.43

Finding the Fourth Proportional to 10,104.81, 15,150.33 and 5,170.43

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Solution

The fourth proportional to 10,104.81, 15,150.33 and 5,170.43 is: 7,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.81 : 15,150.33 = 5,170.43 : x
  2. Step 2: Convert to fraction form
    10,104.81/15,150.33 = 5,170.43/x
  3. Step 3: Cross multiply
    10,104.81x = 15,150.33 × 5,170.43
  4. Step 4: Simplify right side
    10,104.81x = 78,333,644.99
  5. Step 5: Solve for x
    x = 78,333,644.99/10,104.81
  6. Step 6: Final answer
    x = 7,752.11

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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.