Home / 12,766.34-17,617.38-7,177.34

Finding the Fourth Proportional to 12,766.34, 17,617.38 and 7,177.34

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Solution

The fourth proportional to 12,766.34, 17,617.38 and 7,177.34 is: 9,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.34 : 17,617.38 = 7,177.34 : x
  2. Step 2: Convert to fraction form
    12,766.34/17,617.38 = 7,177.34/x
  3. Step 3: Cross multiply
    12,766.34x = 17,617.38 × 7,177.34
  4. Step 4: Simplify right side
    12,766.34x = 126,445,926.17
  5. Step 5: Solve for x
    x = 126,445,926.17/12,766.34
  6. Step 6: Final answer
    x = 9,904.63

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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.