Home / 10,504.31-15,747.95-3,929.54

Finding the Fourth Proportional to 10,504.31, 15,747.95 and 3,929.54

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Solution

The fourth proportional to 10,504.31, 15,747.95 and 3,929.54 is: 5,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.31 : 15,747.95 = 3,929.54 : x
  2. Step 2: Convert to fraction form
    10,504.31/15,747.95 = 3,929.54/x
  3. Step 3: Cross multiply
    10,504.31x = 15,747.95 × 3,929.54
  4. Step 4: Simplify right side
    10,504.31x = 61,882,130.53
  5. Step 5: Solve for x
    x = 61,882,130.53/10,504.31
  6. Step 6: Final answer
    x = 5,891.12

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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.