Home / 18,084.88-27,131.63-7,549.07

Finding the Fourth Proportional to 18,084.88, 27,131.63 and 7,549.07

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Solution

The fourth proportional to 18,084.88, 27,131.63 and 7,549.07 is: 11,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.88 : 27,131.63 = 7,549.07 : x
  2. Step 2: Convert to fraction form
    18,084.88/27,131.63 = 7,549.07/x
  3. Step 3: Cross multiply
    18,084.88x = 27,131.63 × 7,549.07
  4. Step 4: Simplify right side
    18,084.88x = 204,818,400.68
  5. Step 5: Solve for x
    x = 204,818,400.68/18,084.88
  6. Step 6: Final answer
    x = 11,325.39

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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.