Home / 11,397.60-15,722.37-6,680.97

Finding the Fourth Proportional to 11,397.60, 15,722.37 and 6,680.97

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Solution

The fourth proportional to 11,397.60, 15,722.37 and 6,680.97 is: 9,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.60 : 15,722.37 = 6,680.97 : x
  2. Step 2: Convert to fraction form
    11,397.60/15,722.37 = 6,680.97/x
  3. Step 3: Cross multiply
    11,397.60x = 15,722.37 × 6,680.97
  4. Step 4: Simplify right side
    11,397.60x = 105,040,682.30
  5. Step 5: Solve for x
    x = 105,040,682.30/11,397.60
  6. Step 6: Final answer
    x = 9,216.04

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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.