Home / 12,799.85-17,664.14-7,494.89

Finding the Fourth Proportional to 12,799.85, 17,664.14 and 7,494.89

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Solution

The fourth proportional to 12,799.85, 17,664.14 and 7,494.89 is: 10,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.85 : 17,664.14 = 7,494.89 : x
  2. Step 2: Convert to fraction form
    12,799.85/17,664.14 = 7,494.89/x
  3. Step 3: Cross multiply
    12,799.85x = 17,664.14 × 7,494.89
  4. Step 4: Simplify right side
    12,799.85x = 132,390,716.66
  5. Step 5: Solve for x
    x = 132,390,716.66/12,799.85
  6. Step 6: Final answer
    x = 10,343.15

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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.