Home / 18,314.62-25,274.67-11,236.84

Finding the Fourth Proportional to 18,314.62, 25,274.67 and 11,236.84

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Solution

The fourth proportional to 18,314.62, 25,274.67 and 11,236.84 is: 15,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.62 : 25,274.67 = 11,236.84 : x
  2. Step 2: Convert to fraction form
    18,314.62/25,274.67 = 11,236.84/x
  3. Step 3: Cross multiply
    18,314.62x = 25,274.67 × 11,236.84
  4. Step 4: Simplify right side
    18,314.62x = 284,007,422.84
  5. Step 5: Solve for x
    x = 284,007,422.84/18,314.62
  6. Step 6: Final answer
    x = 15,507.14

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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.