Home / 10,195.45-15,293.01-2,799.91

Finding the Fourth Proportional to 10,195.45, 15,293.01 and 2,799.91

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Solution

The fourth proportional to 10,195.45, 15,293.01 and 2,799.91 is: 4,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.45 : 15,293.01 = 2,799.91 : x
  2. Step 2: Convert to fraction form
    10,195.45/15,293.01 = 2,799.91/x
  3. Step 3: Cross multiply
    10,195.45x = 15,293.01 × 2,799.91
  4. Step 4: Simplify right side
    10,195.45x = 42,819,013.40
  5. Step 5: Solve for x
    x = 42,819,013.40/10,195.45
  6. Step 6: Final answer
    x = 4,199.82

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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.