Home / 13,833.20-20,734.28-5,511

Finding the Fourth Proportional to 13,833.20, 20,734.28 and 5,511

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Solution

The fourth proportional to 13,833.20, 20,734.28 and 5,511 is: 8,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.20 : 20,734.28 = 5,511 : x
  2. Step 2: Convert to fraction form
    13,833.20/20,734.28 = 5,511/x
  3. Step 3: Cross multiply
    13,833.20x = 20,734.28 × 5,511
  4. Step 4: Simplify right side
    13,833.20x = 114,266,617.08
  5. Step 5: Solve for x
    x = 114,266,617.08/13,833.20
  6. Step 6: Final answer
    x = 8,260.32

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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.