Home / 13,218.90-19,824.84-4,452

Finding the Fourth Proportional to 13,218.90, 19,824.84 and 4,452

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Solution

The fourth proportional to 13,218.90, 19,824.84 and 4,452 is: 6,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.90 : 19,824.84 = 4,452 : x
  2. Step 2: Convert to fraction form
    13,218.90/19,824.84 = 4,452/x
  3. Step 3: Cross multiply
    13,218.90x = 19,824.84 × 4,452
  4. Step 4: Simplify right side
    13,218.90x = 88,260,187.68
  5. Step 5: Solve for x
    x = 88,260,187.68/13,218.90
  6. Step 6: Final answer
    x = 6,676.82

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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.