Home / 15,441.26-21,309.78-8,727.17

Finding the Fourth Proportional to 15,441.26, 21,309.78 and 8,727.17

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Solution

The fourth proportional to 15,441.26, 21,309.78 and 8,727.17 is: 12,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.26 : 21,309.78 = 8,727.17 : x
  2. Step 2: Convert to fraction form
    15,441.26/21,309.78 = 8,727.17/x
  3. Step 3: Cross multiply
    15,441.26x = 21,309.78 × 8,727.17
  4. Step 4: Simplify right side
    15,441.26x = 185,974,072.72
  5. Step 5: Solve for x
    x = 185,974,072.72/15,441.26
  6. Step 6: Final answer
    x = 12,043.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.