Home / 10,119.20-13,960.82-5,867.91

Finding the Fourth Proportional to 10,119.20, 13,960.82 and 5,867.91

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Solution

The fourth proportional to 10,119.20, 13,960.82 and 5,867.91 is: 8,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.20 : 13,960.82 = 5,867.91 : x
  2. Step 2: Convert to fraction form
    10,119.20/13,960.82 = 5,867.91/x
  3. Step 3: Cross multiply
    10,119.20x = 13,960.82 × 5,867.91
  4. Step 4: Simplify right side
    10,119.20x = 81,920,849.96
  5. Step 5: Solve for x
    x = 81,920,849.96/10,119.20
  6. Step 6: Final answer
    x = 8,095.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.