Home / 11,216.10-16,824.15-3,423.90

Finding the Fourth Proportional to 11,216.10, 16,824.15 and 3,423.90

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Solution

The fourth proportional to 11,216.10, 16,824.15 and 3,423.90 is: 5,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.10 : 16,824.15 = 3,423.90 : x
  2. Step 2: Convert to fraction form
    11,216.10/16,824.15 = 3,423.90/x
  3. Step 3: Cross multiply
    11,216.10x = 16,824.15 × 3,423.90
  4. Step 4: Simplify right side
    11,216.10x = 57,604,207.19
  5. Step 5: Solve for x
    x = 57,604,207.19/11,216.10
  6. Step 6: Final answer
    x = 5,135.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.