Home / 17,786.47-26,679.46-5,306.57

Finding the Fourth Proportional to 17,786.47, 26,679.46 and 5,306.57

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Solution

The fourth proportional to 17,786.47, 26,679.46 and 5,306.57 is: 7,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.47 : 26,679.46 = 5,306.57 : x
  2. Step 2: Convert to fraction form
    17,786.47/26,679.46 = 5,306.57/x
  3. Step 3: Cross multiply
    17,786.47x = 26,679.46 × 5,306.57
  4. Step 4: Simplify right side
    17,786.47x = 141,576,422.05
  5. Step 5: Solve for x
    x = 141,576,422.05/17,786.47
  6. Step 6: Final answer
    x = 7,959.78

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1.5x scale

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.