Home / 18,643.24-27,960.81-6,160.31

Finding the Fourth Proportional to 18,643.24, 27,960.81 and 6,160.31

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Solution

The fourth proportional to 18,643.24, 27,960.81 and 6,160.31 is: 9,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.24 : 27,960.81 = 6,160.31 : x
  2. Step 2: Convert to fraction form
    18,643.24/27,960.81 = 6,160.31/x
  3. Step 3: Cross multiply
    18,643.24x = 27,960.81 × 6,160.31
  4. Step 4: Simplify right side
    18,643.24x = 172,247,257.45
  5. Step 5: Solve for x
    x = 172,247,257.45/18,643.24
  6. Step 6: Final answer
    x = 9,239.13

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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.