Home / 19,669.47-27,144.18-10,716.97

Finding the Fourth Proportional to 19,669.47, 27,144.18 and 10,716.97

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Solution

The fourth proportional to 19,669.47, 27,144.18 and 10,716.97 is: 14,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.47 : 27,144.18 = 10,716.97 : x
  2. Step 2: Convert to fraction form
    19,669.47/27,144.18 = 10,716.97/x
  3. Step 3: Cross multiply
    19,669.47x = 27,144.18 × 10,716.97
  4. Step 4: Simplify right side
    19,669.47x = 290,903,362.73
  5. Step 5: Solve for x
    x = 290,903,362.73/19,669.47
  6. Step 6: Final answer
    x = 14,789.59

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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.