Home / 12,723.53-17,564.48-8,481.66

Finding the Fourth Proportional to 12,723.53, 17,564.48 and 8,481.66

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Solution

The fourth proportional to 12,723.53, 17,564.48 and 8,481.66 is: 11,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.53 : 17,564.48 = 8,481.66 : x
  2. Step 2: Convert to fraction form
    12,723.53/17,564.48 = 8,481.66/x
  3. Step 3: Cross multiply
    12,723.53x = 17,564.48 × 8,481.66
  4. Step 4: Simplify right side
    12,723.53x = 148,975,870.97
  5. Step 5: Solve for x
    x = 148,975,870.97/12,723.53
  6. Step 6: Final answer
    x = 11,708.69

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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.