Home / 10,256.25-15,385.86-3,233.89

Finding the Fourth Proportional to 10,256.25, 15,385.86 and 3,233.89

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Solution

The fourth proportional to 10,256.25, 15,385.86 and 3,233.89 is: 4,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.25 : 15,385.86 = 3,233.89 : x
  2. Step 2: Convert to fraction form
    10,256.25/15,385.86 = 3,233.89/x
  3. Step 3: Cross multiply
    10,256.25x = 15,385.86 × 3,233.89
  4. Step 4: Simplify right side
    10,256.25x = 49,756,178.80
  5. Step 5: Solve for x
    x = 49,756,178.80/10,256.25
  6. Step 6: Final answer
    x = 4,851.30

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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.