Home / 11,239.25-16,838.10-5,679.32

Finding the Fourth Proportional to 11,239.25, 16,838.10 and 5,679.32

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Solution

The fourth proportional to 11,239.25, 16,838.10 and 5,679.32 is: 8,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.25 : 16,838.10 = 5,679.32 : x
  2. Step 2: Convert to fraction form
    11,239.25/16,838.10 = 5,679.32/x
  3. Step 3: Cross multiply
    11,239.25x = 16,838.10 × 5,679.32
  4. Step 4: Simplify right side
    11,239.25x = 95,628,873.90
  5. Step 5: Solve for x
    x = 95,628,873.90/11,239.25
  6. Step 6: Final answer
    x = 8,508.48

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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.