Home / 12,799.06-17,645.52-11,486.86

Finding the Fourth Proportional to 12,799.06, 17,645.52 and 11,486.86

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Solution

The fourth proportional to 12,799.06, 17,645.52 and 11,486.86 is: 15,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.06 : 17,645.52 = 11,486.86 : x
  2. Step 2: Convert to fraction form
    12,799.06/17,645.52 = 11,486.86/x
  3. Step 3: Cross multiply
    12,799.06x = 17,645.52 × 11,486.86
  4. Step 4: Simplify right side
    12,799.06x = 202,691,617.87
  5. Step 5: Solve for x
    x = 202,691,617.87/12,799.06
  6. Step 6: Final answer
    x = 15,836.45

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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.