Home / 10,161.95-15,242.62-2,766.17

Finding the Fourth Proportional to 10,161.95, 15,242.62 and 2,766.17

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Solution

The fourth proportional to 10,161.95, 15,242.62 and 2,766.17 is: 4,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.95 : 15,242.62 = 2,766.17 : x
  2. Step 2: Convert to fraction form
    10,161.95/15,242.62 = 2,766.17/x
  3. Step 3: Cross multiply
    10,161.95x = 15,242.62 × 2,766.17
  4. Step 4: Simplify right side
    10,161.95x = 42,163,595.04
  5. Step 5: Solve for x
    x = 42,163,595.04/10,161.95
  6. Step 6: Final answer
    x = 4,149.17

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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.