Home / 18,458.30-27,687.48-5,307.62

Finding the Fourth Proportional to 18,458.30, 27,687.48 and 5,307.62

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Solution

The fourth proportional to 18,458.30, 27,687.48 and 5,307.62 is: 7,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.30 : 27,687.48 = 5,307.62 : x
  2. Step 2: Convert to fraction form
    18,458.30/27,687.48 = 5,307.62/x
  3. Step 3: Cross multiply
    18,458.30x = 27,687.48 × 5,307.62
  4. Step 4: Simplify right side
    18,458.30x = 146,954,622.60
  5. Step 5: Solve for x
    x = 146,954,622.60/18,458.30
  6. Step 6: Final answer
    x = 7,961.44

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Similar ratio
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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.