Home / 13,496.93-18,617.96-8,115.62

Finding the Fourth Proportional to 13,496.93, 18,617.96 and 8,115.62

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Solution

The fourth proportional to 13,496.93, 18,617.96 and 8,115.62 is: 11,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.93 : 18,617.96 = 8,115.62 : x
  2. Step 2: Convert to fraction form
    13,496.93/18,617.96 = 8,115.62/x
  3. Step 3: Cross multiply
    13,496.93x = 18,617.96 × 8,115.62
  4. Step 4: Simplify right side
    13,496.93x = 151,096,288.54
  5. Step 5: Solve for x
    x = 151,096,288.54/13,496.93
  6. Step 6: Final answer
    x = 11,194.86

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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.