Home / 10,537.03-15,805.54-3,141.30

Finding the Fourth Proportional to 10,537.03, 15,805.54 and 3,141.30

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Solution

The fourth proportional to 10,537.03, 15,805.54 and 3,141.30 is: 4,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.03 : 15,805.54 = 3,141.30 : x
  2. Step 2: Convert to fraction form
    10,537.03/15,805.54 = 3,141.30/x
  3. Step 3: Cross multiply
    10,537.03x = 15,805.54 × 3,141.30
  4. Step 4: Simplify right side
    10,537.03x = 49,649,942.80
  5. Step 5: Solve for x
    x = 49,649,942.80/10,537.03
  6. Step 6: Final answer
    x = 4,711.95

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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.