Home / 10,214.95-15,318.46-3,974.13

Finding the Fourth Proportional to 10,214.95, 15,318.46 and 3,974.13

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Solution

The fourth proportional to 10,214.95, 15,318.46 and 3,974.13 is: 5,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.95 : 15,318.46 = 3,974.13 : x
  2. Step 2: Convert to fraction form
    10,214.95/15,318.46 = 3,974.13/x
  3. Step 3: Cross multiply
    10,214.95x = 15,318.46 × 3,974.13
  4. Step 4: Simplify right side
    10,214.95x = 60,877,551.44
  5. Step 5: Solve for x
    x = 60,877,551.44/10,214.95
  6. Step 6: Final answer
    x = 5,959.65

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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.