Home / 18,288.22-25,228.27-10,729.48

Finding the Fourth Proportional to 18,288.22, 25,228.27 and 10,729.48

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Solution

The fourth proportional to 18,288.22, 25,228.27 and 10,729.48 is: 14,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.22 : 25,228.27 = 10,729.48 : x
  2. Step 2: Convert to fraction form
    18,288.22/25,228.27 = 10,729.48/x
  3. Step 3: Cross multiply
    18,288.22x = 25,228.27 × 10,729.48
  4. Step 4: Simplify right side
    18,288.22x = 270,686,218.40
  5. Step 5: Solve for x
    x = 270,686,218.40/18,288.22
  6. Step 6: Final answer
    x = 14,801.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.