Home / 10,195.40-15,292.41-2,799.23

Finding the Fourth Proportional to 10,195.40, 15,292.41 and 2,799.23

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Solution

The fourth proportional to 10,195.40, 15,292.41 and 2,799.23 is: 4,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.40 : 15,292.41 = 2,799.23 : x
  2. Step 2: Convert to fraction form
    10,195.40/15,292.41 = 2,799.23/x
  3. Step 3: Cross multiply
    10,195.40x = 15,292.41 × 2,799.23
  4. Step 4: Simplify right side
    10,195.40x = 42,806,972.84
  5. Step 5: Solve for x
    x = 42,806,972.84/10,195.40
  6. Step 6: Final answer
    x = 4,198.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.