Home / 10,672.12-16,002.60-3,275.56

Finding the Fourth Proportional to 10,672.12, 16,002.60 and 3,275.56

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Solution

The fourth proportional to 10,672.12, 16,002.60 and 3,275.56 is: 4,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.12 : 16,002.60 = 3,275.56 : x
  2. Step 2: Convert to fraction form
    10,672.12/16,002.60 = 3,275.56/x
  3. Step 3: Cross multiply
    10,672.12x = 16,002.60 × 3,275.56
  4. Step 4: Simplify right side
    10,672.12x = 52,417,476.46
  5. Step 5: Solve for x
    x = 52,417,476.46/10,672.12
  6. Step 6: Final answer
    x = 4,911.63

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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.