Home / 11,088.42-16,629-3,690.90

Finding the Fourth Proportional to 11,088.42, 16,629 and 3,690.90

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Solution

The fourth proportional to 11,088.42, 16,629 and 3,690.90 is: 5,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.42 : 16,629 = 3,690.90 : x
  2. Step 2: Convert to fraction form
    11,088.42/16,629 = 3,690.90/x
  3. Step 3: Cross multiply
    11,088.42x = 16,629 × 3,690.90
  4. Step 4: Simplify right side
    11,088.42x = 61,375,976.10
  5. Step 5: Solve for x
    x = 61,375,976.10/11,088.42
  6. Step 6: Final answer
    x = 5,535.14

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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.