Home / 19,669.20-27,144.03-10,716.84

Finding the Fourth Proportional to 19,669.20, 27,144.03 and 10,716.84

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Solution

The fourth proportional to 19,669.20, 27,144.03 and 10,716.84 is: 14,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.20 : 27,144.03 = 10,716.84 : x
  2. Step 2: Convert to fraction form
    19,669.20/27,144.03 = 10,716.84/x
  3. Step 3: Cross multiply
    19,669.20x = 27,144.03 × 10,716.84
  4. Step 4: Simplify right side
    19,669.20x = 290,898,226.47
  5. Step 5: Solve for x
    x = 290,898,226.47/19,669.20
  6. Step 6: Final answer
    x = 14,789.53

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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.