Home / 11,395.35-15,726.92-6,679.62

Finding the Fourth Proportional to 11,395.35, 15,726.92 and 6,679.62

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Solution

The fourth proportional to 11,395.35, 15,726.92 and 6,679.62 is: 9,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.35 : 15,726.92 = 6,679.62 : x
  2. Step 2: Convert to fraction form
    11,395.35/15,726.92 = 6,679.62/x
  3. Step 3: Cross multiply
    11,395.35x = 15,726.92 × 6,679.62
  4. Step 4: Simplify right side
    11,395.35x = 105,049,815.97
  5. Step 5: Solve for x
    x = 105,049,815.97/11,395.35
  6. Step 6: Final answer
    x = 9,218.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.