Home / 18,170.71-27,236.63-9,396.79

Finding the Fourth Proportional to 18,170.71, 27,236.63 and 9,396.79

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Solution

The fourth proportional to 18,170.71, 27,236.63 and 9,396.79 is: 14,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.71 : 27,236.63 = 9,396.79 : x
  2. Step 2: Convert to fraction form
    18,170.71/27,236.63 = 9,396.79/x
  3. Step 3: Cross multiply
    18,170.71x = 27,236.63 × 9,396.79
  4. Step 4: Simplify right side
    18,170.71x = 255,936,845.43
  5. Step 5: Solve for x
    x = 255,936,845.43/18,170.71
  6. Step 6: Final answer
    x = 14,085.13

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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.