Home / 10,234.01-15,351.73-3,991.95

Finding the Fourth Proportional to 10,234.01, 15,351.73 and 3,991.95

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Solution

The fourth proportional to 10,234.01, 15,351.73 and 3,991.95 is: 5,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.01 : 15,351.73 = 3,991.95 : x
  2. Step 2: Convert to fraction form
    10,234.01/15,351.73 = 3,991.95/x
  3. Step 3: Cross multiply
    10,234.01x = 15,351.73 × 3,991.95
  4. Step 4: Simplify right side
    10,234.01x = 61,283,328.59
  5. Step 5: Solve for x
    x = 61,283,328.59/10,234.01
  6. Step 6: Final answer
    x = 5,988.20

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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.