Home / 11,104.29-15,325.61-6,388.27

Finding the Fourth Proportional to 11,104.29, 15,325.61 and 6,388.27

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Solution

The fourth proportional to 11,104.29, 15,325.61 and 6,388.27 is: 8,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.29 : 15,325.61 = 6,388.27 : x
  2. Step 2: Convert to fraction form
    11,104.29/15,325.61 = 6,388.27/x
  3. Step 3: Cross multiply
    11,104.29x = 15,325.61 × 6,388.27
  4. Step 4: Simplify right side
    11,104.29x = 97,904,134.59
  5. Step 5: Solve for x
    x = 97,904,134.59/11,104.29
  6. Step 6: Final answer
    x = 8,816.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.