Home / 10,880.74-15,015.28-6,100.66

Finding the Fourth Proportional to 10,880.74, 15,015.28 and 6,100.66

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Solution

The fourth proportional to 10,880.74, 15,015.28 and 6,100.66 is: 8,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.74 : 15,015.28 = 6,100.66 : x
  2. Step 2: Convert to fraction form
    10,880.74/15,015.28 = 6,100.66/x
  3. Step 3: Cross multiply
    10,880.74x = 15,015.28 × 6,100.66
  4. Step 4: Simplify right side
    10,880.74x = 91,603,118.08
  5. Step 5: Solve for x
    x = 91,603,118.08/10,880.74
  6. Step 6: Final answer
    x = 8,418.83

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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.