Home / 18,003.57-27,008.56-6,158.66

Finding the Fourth Proportional to 18,003.57, 27,008.56 and 6,158.66

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Solution

The fourth proportional to 18,003.57, 27,008.56 and 6,158.66 is: 9,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.57 : 27,008.56 = 6,158.66 : x
  2. Step 2: Convert to fraction form
    18,003.57/27,008.56 = 6,158.66/x
  3. Step 3: Cross multiply
    18,003.57x = 27,008.56 × 6,158.66
  4. Step 4: Simplify right side
    18,003.57x = 166,336,538.13
  5. Step 5: Solve for x
    x = 166,336,538.13/18,003.57
  6. Step 6: Final answer
    x = 9,239.09

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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.