Home / 18,152.73-27,217.40-7,629.57

Finding the Fourth Proportional to 18,152.73, 27,217.40 and 7,629.57

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Solution

The fourth proportional to 18,152.73, 27,217.40 and 7,629.57 is: 11,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.73 : 27,217.40 = 7,629.57 : x
  2. Step 2: Convert to fraction form
    18,152.73/27,217.40 = 7,629.57/x
  3. Step 3: Cross multiply
    18,152.73x = 27,217.40 × 7,629.57
  4. Step 4: Simplify right side
    18,152.73x = 207,657,020.37
  5. Step 5: Solve for x
    x = 207,657,020.37/18,152.73
  6. Step 6: Final answer
    x = 11,439.44

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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.