Home / 10,138.17-15,205.40-2,743.23

Finding the Fourth Proportional to 10,138.17, 15,205.40 and 2,743.23

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Solution

The fourth proportional to 10,138.17, 15,205.40 and 2,743.23 is: 4,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.17 : 15,205.40 = 2,743.23 : x
  2. Step 2: Convert to fraction form
    10,138.17/15,205.40 = 2,743.23/x
  3. Step 3: Cross multiply
    10,138.17x = 15,205.40 × 2,743.23
  4. Step 4: Simplify right side
    10,138.17x = 41,711,895.73
  5. Step 5: Solve for x
    x = 41,711,895.73/10,138.17
  6. Step 6: Final answer
    x = 4,114.34

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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.