Home / 18,623.64-27,936.29-6,144.74

Finding the Fourth Proportional to 18,623.64, 27,936.29 and 6,144.74

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Solution

The fourth proportional to 18,623.64, 27,936.29 and 6,144.74 is: 9,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.64 : 27,936.29 = 6,144.74 : x
  2. Step 2: Convert to fraction form
    18,623.64/27,936.29 = 6,144.74/x
  3. Step 3: Cross multiply
    18,623.64x = 27,936.29 × 6,144.74
  4. Step 4: Simplify right side
    18,623.64x = 171,661,376.20
  5. Step 5: Solve for x
    x = 171,661,376.20/18,623.64
  6. Step 6: Final answer
    x = 9,217.39

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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.