Home / 11,122.39-16,679.04-5,569.12

Finding the Fourth Proportional to 11,122.39, 16,679.04 and 5,569.12

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Solution

The fourth proportional to 11,122.39, 16,679.04 and 5,569.12 is: 8,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.39 : 16,679.04 = 5,569.12 : x
  2. Step 2: Convert to fraction form
    11,122.39/16,679.04 = 5,569.12/x
  3. Step 3: Cross multiply
    11,122.39x = 16,679.04 × 5,569.12
  4. Step 4: Simplify right side
    11,122.39x = 92,887,575.24
  5. Step 5: Solve for x
    x = 92,887,575.24/11,122.39
  6. Step 6: Final answer
    x = 8,351.40

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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.