Home / 11,275.10-16,907.97-4,253.92

Finding the Fourth Proportional to 11,275.10, 16,907.97 and 4,253.92

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Solution

The fourth proportional to 11,275.10, 16,907.97 and 4,253.92 is: 6,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.10 : 16,907.97 = 4,253.92 : x
  2. Step 2: Convert to fraction form
    11,275.10/16,907.97 = 4,253.92/x
  3. Step 3: Cross multiply
    11,275.10x = 16,907.97 × 4,253.92
  4. Step 4: Simplify right side
    11,275.10x = 71,925,125.42
  5. Step 5: Solve for x
    x = 71,925,125.42/11,275.10
  6. Step 6: Final answer
    x = 6,379.11

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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.