Home / 12,836.93-17,716.16-7,799.99

Finding the Fourth Proportional to 12,836.93, 17,716.16 and 7,799.99

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Solution

The fourth proportional to 12,836.93, 17,716.16 and 7,799.99 is: 10,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.93 : 17,716.16 = 7,799.99 : x
  2. Step 2: Convert to fraction form
    12,836.93/17,716.16 = 7,799.99/x
  3. Step 3: Cross multiply
    12,836.93x = 17,716.16 × 7,799.99
  4. Step 4: Simplify right side
    12,836.93x = 138,185,831.84
  5. Step 5: Solve for x
    x = 138,185,831.84/12,836.93
  6. Step 6: Final answer
    x = 10,764.71

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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.