Home / 10,206.74-15,302.91-3,961.55

Finding the Fourth Proportional to 10,206.74, 15,302.91 and 3,961.55

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Solution

The fourth proportional to 10,206.74, 15,302.91 and 3,961.55 is: 5,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.74 : 15,302.91 = 3,961.55 : x
  2. Step 2: Convert to fraction form
    10,206.74/15,302.91 = 3,961.55/x
  3. Step 3: Cross multiply
    10,206.74x = 15,302.91 × 3,961.55
  4. Step 4: Simplify right side
    10,206.74x = 60,623,243.11
  5. Step 5: Solve for x
    x = 60,623,243.11/10,206.74
  6. Step 6: Final answer
    x = 5,939.53

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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.