Home / 18,144.75-27,218.84-7,052.29

Finding the Fourth Proportional to 18,144.75, 27,218.84 and 7,052.29

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Solution

The fourth proportional to 18,144.75, 27,218.84 and 7,052.29 is: 10,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.75 : 27,218.84 = 7,052.29 : x
  2. Step 2: Convert to fraction form
    18,144.75/27,218.84 = 7,052.29/x
  3. Step 3: Cross multiply
    18,144.75x = 27,218.84 × 7,052.29
  4. Step 4: Simplify right side
    18,144.75x = 191,955,153.14
  5. Step 5: Solve for x
    x = 191,955,153.14/18,144.75
  6. Step 6: Final answer
    x = 10,579.10

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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.