Home / 18,754.20-28,131.27-5,606.13

Finding the Fourth Proportional to 18,754.20, 28,131.27 and 5,606.13

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Solution

The fourth proportional to 18,754.20, 28,131.27 and 5,606.13 is: 8,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.20 : 28,131.27 = 5,606.13 : x
  2. Step 2: Convert to fraction form
    18,754.20/28,131.27 = 5,606.13/x
  3. Step 3: Cross multiply
    18,754.20x = 28,131.27 × 5,606.13
  4. Step 4: Simplify right side
    18,754.20x = 157,707,556.69
  5. Step 5: Solve for x
    x = 157,707,556.69/18,754.20
  6. Step 6: Final answer
    x = 8,409.19

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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.