Home / 9,125.16-13,687.71-2,199.66

Finding the Fourth Proportional to 9,125.16, 13,687.71 and 2,199.66

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Solution

The fourth proportional to 9,125.16, 13,687.71 and 2,199.66 is: 3,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.16 : 13,687.71 = 2,199.66 : x
  2. Step 2: Convert to fraction form
    9,125.16/13,687.71 = 2,199.66/x
  3. Step 3: Cross multiply
    9,125.16x = 13,687.71 × 2,199.66
  4. Step 4: Simplify right side
    9,125.16x = 30,108,308.18
  5. Step 5: Solve for x
    x = 30,108,308.18/9,125.16
  6. Step 6: Final answer
    x = 3,299.48

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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.