Home / 13,314.17-19,974.32-3,953.97

Finding the Fourth Proportional to 13,314.17, 19,974.32 and 3,953.97

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Solution

The fourth proportional to 13,314.17, 19,974.32 and 3,953.97 is: 5,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.17 : 19,974.32 = 3,953.97 : x
  2. Step 2: Convert to fraction form
    13,314.17/19,974.32 = 3,953.97/x
  3. Step 3: Cross multiply
    13,314.17x = 19,974.32 × 3,953.97
  4. Step 4: Simplify right side
    13,314.17x = 78,977,842.28
  5. Step 5: Solve for x
    x = 78,977,842.28/13,314.17
  6. Step 6: Final answer
    x = 5,931.87

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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.