Home / 18,091.56-27,127.64-6,403.28

Finding the Fourth Proportional to 18,091.56, 27,127.64 and 6,403.28

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Solution

The fourth proportional to 18,091.56, 27,127.64 and 6,403.28 is: 9,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.56 : 27,127.64 = 6,403.28 : x
  2. Step 2: Convert to fraction form
    18,091.56/27,127.64 = 6,403.28/x
  3. Step 3: Cross multiply
    18,091.56x = 27,127.64 × 6,403.28
  4. Step 4: Simplify right side
    18,091.56x = 173,705,874.66
  5. Step 5: Solve for x
    x = 173,705,874.66/18,091.56
  6. Step 6: Final answer
    x = 9,601.49

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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.