Home / 10,631-15,948.78-3,236.06

Finding the Fourth Proportional to 10,631, 15,948.78 and 3,236.06

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Solution

The fourth proportional to 10,631, 15,948.78 and 3,236.06 is: 4,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631 : 15,948.78 = 3,236.06 : x
  2. Step 2: Convert to fraction form
    10,631/15,948.78 = 3,236.06/x
  3. Step 3: Cross multiply
    10,631x = 15,948.78 × 3,236.06
  4. Step 4: Simplify right side
    10,631x = 51,611,209.01
  5. Step 5: Solve for x
    x = 51,611,209.01/10,631
  6. Step 6: Final answer
    x = 4,854.78

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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.