Home / 19,854.68-27,399.89-10,902.76

Finding the Fourth Proportional to 19,854.68, 27,399.89 and 10,902.76

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Solution

The fourth proportional to 19,854.68, 27,399.89 and 10,902.76 is: 15,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.68 : 27,399.89 = 10,902.76 : x
  2. Step 2: Convert to fraction form
    19,854.68/27,399.89 = 10,902.76/x
  3. Step 3: Cross multiply
    19,854.68x = 27,399.89 × 10,902.76
  4. Step 4: Simplify right side
    19,854.68x = 298,734,301.68
  5. Step 5: Solve for x
    x = 298,734,301.68/19,854.68
  6. Step 6: Final answer
    x = 15,046.04

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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.