Home / 10,366.94-15,536.49-5,679.87

Finding the Fourth Proportional to 10,366.94, 15,536.49 and 5,679.87

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Solution

The fourth proportional to 10,366.94, 15,536.49 and 5,679.87 is: 8,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.94 : 15,536.49 = 5,679.87 : x
  2. Step 2: Convert to fraction form
    10,366.94/15,536.49 = 5,679.87/x
  3. Step 3: Cross multiply
    10,366.94x = 15,536.49 × 5,679.87
  4. Step 4: Simplify right side
    10,366.94x = 88,245,243.46
  5. Step 5: Solve for x
    x = 88,245,243.46/10,366.94
  6. Step 6: Final answer
    x = 8,512.18

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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.