Home / 18,143.07-27,215.62-5,664.82

Finding the Fourth Proportional to 18,143.07, 27,215.62 and 5,664.82

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Solution

The fourth proportional to 18,143.07, 27,215.62 and 5,664.82 is: 8,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.07 : 27,215.62 = 5,664.82 : x
  2. Step 2: Convert to fraction form
    18,143.07/27,215.62 = 5,664.82/x
  3. Step 3: Cross multiply
    18,143.07x = 27,215.62 × 5,664.82
  4. Step 4: Simplify right side
    18,143.07x = 154,171,506.29
  5. Step 5: Solve for x
    x = 154,171,506.29/18,143.07
  6. Step 6: Final answer
    x = 8,497.54

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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.