Home / 10,880.76-16,321.14-4,307.88

Finding the Fourth Proportional to 10,880.76, 16,321.14 and 4,307.88

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Solution

The fourth proportional to 10,880.76, 16,321.14 and 4,307.88 is: 6,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.76 : 16,321.14 = 4,307.88 : x
  2. Step 2: Convert to fraction form
    10,880.76/16,321.14 = 4,307.88/x
  3. Step 3: Cross multiply
    10,880.76x = 16,321.14 × 4,307.88
  4. Step 4: Simplify right side
    10,880.76x = 70,309,512.58
  5. Step 5: Solve for x
    x = 70,309,512.58/10,880.76
  6. Step 6: Final answer
    x = 6,461.82

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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.