Home / 18,493.27-27,739.18-10,189.75

Finding the Fourth Proportional to 18,493.27, 27,739.18 and 10,189.75

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Solution

The fourth proportional to 18,493.27, 27,739.18 and 10,189.75 is: 15,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.27 : 27,739.18 = 10,189.75 : x
  2. Step 2: Convert to fraction form
    18,493.27/27,739.18 = 10,189.75/x
  3. Step 3: Cross multiply
    18,493.27x = 27,739.18 × 10,189.75
  4. Step 4: Simplify right side
    18,493.27x = 282,655,309.41
  5. Step 5: Solve for x
    x = 282,655,309.41/18,493.27
  6. Step 6: Final answer
    x = 15,284.23

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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.