Home / 12,194.53-18,294.34-6,931.96

Finding the Fourth Proportional to 12,194.53, 18,294.34 and 6,931.96

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Solution

The fourth proportional to 12,194.53, 18,294.34 and 6,931.96 is: 10,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.53 : 18,294.34 = 6,931.96 : x
  2. Step 2: Convert to fraction form
    12,194.53/18,294.34 = 6,931.96/x
  3. Step 3: Cross multiply
    12,194.53x = 18,294.34 × 6,931.96
  4. Step 4: Simplify right side
    12,194.53x = 126,815,570.04
  5. Step 5: Solve for x
    x = 126,815,570.04/12,194.53
  6. Step 6: Final answer
    x = 10,399.38

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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.