Home / 9,114.06-13,671.09-2,188.56

Finding the Fourth Proportional to 9,114.06, 13,671.09 and 2,188.56

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Solution

The fourth proportional to 9,114.06, 13,671.09 and 2,188.56 is: 3,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.06 : 13,671.09 = 2,188.56 : x
  2. Step 2: Convert to fraction form
    9,114.06/13,671.09 = 2,188.56/x
  3. Step 3: Cross multiply
    9,114.06x = 13,671.09 × 2,188.56
  4. Step 4: Simplify right side
    9,114.06x = 29,920,000.73
  5. Step 5: Solve for x
    x = 29,920,000.73/9,114.06
  6. Step 6: Final answer
    x = 3,282.84

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1.5x scale

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.