Home / 11,393.25-15,723.30-6,679.05

Finding the Fourth Proportional to 11,393.25, 15,723.30 and 6,679.05

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Solution

The fourth proportional to 11,393.25, 15,723.30 and 6,679.05 is: 9,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.25 : 15,723.30 = 6,679.05 : x
  2. Step 2: Convert to fraction form
    11,393.25/15,723.30 = 6,679.05/x
  3. Step 3: Cross multiply
    11,393.25x = 15,723.30 × 6,679.05
  4. Step 4: Simplify right side
    11,393.25x = 105,016,706.87
  5. Step 5: Solve for x
    x = 105,016,706.87/11,393.25
  6. Step 6: Final answer
    x = 9,217.45

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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.