Home / 18,153.82-27,224.20-6,464.71

Finding the Fourth Proportional to 18,153.82, 27,224.20 and 6,464.71

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Solution

The fourth proportional to 18,153.82, 27,224.20 and 6,464.71 is: 9,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.82 : 27,224.20 = 6,464.71 : x
  2. Step 2: Convert to fraction form
    18,153.82/27,224.20 = 6,464.71/x
  3. Step 3: Cross multiply
    18,153.82x = 27,224.20 × 6,464.71
  4. Step 4: Simplify right side
    18,153.82x = 175,996,557.98
  5. Step 5: Solve for x
    x = 175,996,557.98/18,153.82
  6. Step 6: Final answer
    x = 9,694.74

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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.