Home / 18,436.60-27,652.78-5,110.58

Finding the Fourth Proportional to 18,436.60, 27,652.78 and 5,110.58

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Solution

The fourth proportional to 18,436.60, 27,652.78 and 5,110.58 is: 7,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.60 : 27,652.78 = 5,110.58 : x
  2. Step 2: Convert to fraction form
    18,436.60/27,652.78 = 5,110.58/x
  3. Step 3: Cross multiply
    18,436.60x = 27,652.78 × 5,110.58
  4. Step 4: Simplify right side
    18,436.60x = 141,321,718.86
  5. Step 5: Solve for x
    x = 141,321,718.86/18,436.60
  6. Step 6: Final answer
    x = 7,665.28

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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.