Home / 10,195.31-15,292.95-2,799.80

Finding the Fourth Proportional to 10,195.31, 15,292.95 and 2,799.80

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Solution

The fourth proportional to 10,195.31, 15,292.95 and 2,799.80 is: 4,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.31 : 15,292.95 = 2,799.80 : x
  2. Step 2: Convert to fraction form
    10,195.31/15,292.95 = 2,799.80/x
  3. Step 3: Cross multiply
    10,195.31x = 15,292.95 × 2,799.80
  4. Step 4: Simplify right side
    10,195.31x = 42,817,124.95
  5. Step 5: Solve for x
    x = 42,817,124.95/10,195.31
  6. Step 6: Final answer
    x = 4,199.69

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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.