Home / 18,197.02-27,272.49-8,839.18

Finding the Fourth Proportional to 18,197.02, 27,272.49 and 8,839.18

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Solution

The fourth proportional to 18,197.02, 27,272.49 and 8,839.18 is: 13,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.02 : 27,272.49 = 8,839.18 : x
  2. Step 2: Convert to fraction form
    18,197.02/27,272.49 = 8,839.18/x
  3. Step 3: Cross multiply
    18,197.02x = 27,272.49 × 8,839.18
  4. Step 4: Simplify right side
    18,197.02x = 241,066,448.16
  5. Step 5: Solve for x
    x = 241,066,448.16/18,197.02
  6. Step 6: Final answer
    x = 13,247.58

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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.