Home / 18,455.06-27,687.22-5,307.44

Finding the Fourth Proportional to 18,455.06, 27,687.22 and 5,307.44

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Solution

The fourth proportional to 18,455.06, 27,687.22 and 5,307.44 is: 7,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.06 : 27,687.22 = 5,307.44 : x
  2. Step 2: Convert to fraction form
    18,455.06/27,687.22 = 5,307.44/x
  3. Step 3: Cross multiply
    18,455.06x = 27,687.22 × 5,307.44
  4. Step 4: Simplify right side
    18,455.06x = 146,948,107.21
  5. Step 5: Solve for x
    x = 146,948,107.21/18,455.06
  6. Step 6: Final answer
    x = 7,962.48

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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.