Home / 11,305.16-16,948.16-4,281.30

Finding the Fourth Proportional to 11,305.16, 16,948.16 and 4,281.30

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Solution

The fourth proportional to 11,305.16, 16,948.16 and 4,281.30 is: 6,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.16 : 16,948.16 = 4,281.30 : x
  2. Step 2: Convert to fraction form
    11,305.16/16,948.16 = 4,281.30/x
  3. Step 3: Cross multiply
    11,305.16x = 16,948.16 × 4,281.30
  4. Step 4: Simplify right side
    11,305.16x = 72,560,104.56
  5. Step 5: Solve for x
    x = 72,560,104.56/11,305.16
  6. Step 6: Final answer
    x = 6,418.32

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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.