Home / 18,528.86-27,773.36-8,003.84

Finding the Fourth Proportional to 18,528.86, 27,773.36 and 8,003.84

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Solution

The fourth proportional to 18,528.86, 27,773.36 and 8,003.84 is: 11,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.86 : 27,773.36 = 8,003.84 : x
  2. Step 2: Convert to fraction form
    18,528.86/27,773.36 = 8,003.84/x
  3. Step 3: Cross multiply
    18,528.86x = 27,773.36 × 8,003.84
  4. Step 4: Simplify right side
    18,528.86x = 222,293,390.84
  5. Step 5: Solve for x
    x = 222,293,390.84/18,528.86
  6. Step 6: Final answer
    x = 11,997.14

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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.