Home / 11,311.25-16,964.29-4,292.04

Finding the Fourth Proportional to 11,311.25, 16,964.29 and 4,292.04

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Solution

The fourth proportional to 11,311.25, 16,964.29 and 4,292.04 is: 6,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.25 : 16,964.29 = 4,292.04 : x
  2. Step 2: Convert to fraction form
    11,311.25/16,964.29 = 4,292.04/x
  3. Step 3: Cross multiply
    11,311.25x = 16,964.29 × 4,292.04
  4. Step 4: Simplify right side
    11,311.25x = 72,811,360.67
  5. Step 5: Solve for x
    x = 72,811,360.67/11,311.25
  6. Step 6: Final answer
    x = 6,437.08

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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.