Home / 18,266.00-27,399.45-5,119.40

Finding the Fourth Proportional to 18,266.00, 27,399.45 and 5,119.40

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Solution

The fourth proportional to 18,266.00, 27,399.45 and 5,119.40 is: 7,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.00 : 27,399.45 = 5,119.40 : x
  2. Step 2: Convert to fraction form
    18,266.00/27,399.45 = 5,119.40/x
  3. Step 3: Cross multiply
    18,266.00x = 27,399.45 × 5,119.40
  4. Step 4: Simplify right side
    18,266.00x = 140,268,607.33
  5. Step 5: Solve for x
    x = 140,268,607.33/18,266.00
  6. Step 6: Final answer
    x = 7,679.22

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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.