Home / 17,380.40-26,071.97-6,849.70

Finding the Fourth Proportional to 17,380.40, 26,071.97 and 6,849.70

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Solution

The fourth proportional to 17,380.40, 26,071.97 and 6,849.70 is: 10,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.40 : 26,071.97 = 6,849.70 : x
  2. Step 2: Convert to fraction form
    17,380.40/26,071.97 = 6,849.70/x
  3. Step 3: Cross multiply
    17,380.40x = 26,071.97 × 6,849.70
  4. Step 4: Simplify right side
    17,380.40x = 178,585,073.48
  5. Step 5: Solve for x
    x = 178,585,073.48/17,380.40
  6. Step 6: Final answer
    x = 10,275.09

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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.