Home / 18,189.93-27,280.02-7,799.25

Finding the Fourth Proportional to 18,189.93, 27,280.02 and 7,799.25

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Solution

The fourth proportional to 18,189.93, 27,280.02 and 7,799.25 is: 11,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.93 : 27,280.02 = 7,799.25 : x
  2. Step 2: Convert to fraction form
    18,189.93/27,280.02 = 7,799.25/x
  3. Step 3: Cross multiply
    18,189.93x = 27,280.02 × 7,799.25
  4. Step 4: Simplify right side
    18,189.93x = 212,763,695.99
  5. Step 5: Solve for x
    x = 212,763,695.99/18,189.93
  6. Step 6: Final answer
    x = 11,696.78

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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.