Home / 18,171.65-27,257.14-9,904.28

Finding the Fourth Proportional to 18,171.65, 27,257.14 and 9,904.28

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Solution

The fourth proportional to 18,171.65, 27,257.14 and 9,904.28 is: 14,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.65 : 27,257.14 = 9,904.28 : x
  2. Step 2: Convert to fraction form
    18,171.65/27,257.14 = 9,904.28/x
  3. Step 3: Cross multiply
    18,171.65x = 27,257.14 × 9,904.28
  4. Step 4: Simplify right side
    18,171.65x = 269,962,320.26
  5. Step 5: Solve for x
    x = 269,962,320.26/18,171.65
  6. Step 6: Final answer
    x = 14,856.23

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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.