Home / 13,868.12-20,805.46-4,508.16

Finding the Fourth Proportional to 13,868.12, 20,805.46 and 4,508.16

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Solution

The fourth proportional to 13,868.12, 20,805.46 and 4,508.16 is: 6,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.12 : 20,805.46 = 4,508.16 : x
  2. Step 2: Convert to fraction form
    13,868.12/20,805.46 = 4,508.16/x
  3. Step 3: Cross multiply
    13,868.12x = 20,805.46 × 4,508.16
  4. Step 4: Simplify right side
    13,868.12x = 93,794,342.55
  5. Step 5: Solve for x
    x = 93,794,342.55/13,868.12
  6. Step 6: Final answer
    x = 6,763.31

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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.