Home / 19,854.85-27,400.03-10,902.73

Finding the Fourth Proportional to 19,854.85, 27,400.03 and 10,902.73

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Solution

The fourth proportional to 19,854.85, 27,400.03 and 10,902.73 is: 15,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.85 : 27,400.03 = 10,902.73 : x
  2. Step 2: Convert to fraction form
    19,854.85/27,400.03 = 10,902.73/x
  3. Step 3: Cross multiply
    19,854.85x = 27,400.03 × 10,902.73
  4. Step 4: Simplify right side
    19,854.85x = 298,735,033.33
  5. Step 5: Solve for x
    x = 298,735,033.33/19,854.85
  6. Step 6: Final answer
    x = 15,045.95

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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.