Home / 11,224.60-15,490.65-6,188.82

Finding the Fourth Proportional to 11,224.60, 15,490.65 and 6,188.82

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Solution

The fourth proportional to 11,224.60, 15,490.65 and 6,188.82 is: 8,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.60 : 15,490.65 = 6,188.82 : x
  2. Step 2: Convert to fraction form
    11,224.60/15,490.65 = 6,188.82/x
  3. Step 3: Cross multiply
    11,224.60x = 15,490.65 × 6,188.82
  4. Step 4: Simplify right side
    11,224.60x = 95,868,844.53
  5. Step 5: Solve for x
    x = 95,868,844.53/11,224.60
  6. Step 6: Final answer
    x = 8,540.96

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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.