Home / 10,851.18-16,278.39-3,453.45

Finding the Fourth Proportional to 10,851.18, 16,278.39 and 3,453.45

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Solution

The fourth proportional to 10,851.18, 16,278.39 and 3,453.45 is: 5,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.18 : 16,278.39 = 3,453.45 : x
  2. Step 2: Convert to fraction form
    10,851.18/16,278.39 = 3,453.45/x
  3. Step 3: Cross multiply
    10,851.18x = 16,278.39 × 3,453.45
  4. Step 4: Simplify right side
    10,851.18x = 56,216,605.95
  5. Step 5: Solve for x
    x = 56,216,605.95/10,851.18
  6. Step 6: Final answer
    x = 5,180.69

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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.