Home / 18,288.72-25,228.97-10,729.98

Finding the Fourth Proportional to 18,288.72, 25,228.97 and 10,729.98

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Solution

The fourth proportional to 18,288.72, 25,228.97 and 10,729.98 is: 14,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.72 : 25,228.97 = 10,729.98 : x
  2. Step 2: Convert to fraction form
    18,288.72/25,228.97 = 10,729.98/x
  3. Step 3: Cross multiply
    18,288.72x = 25,228.97 × 10,729.98
  4. Step 4: Simplify right side
    18,288.72x = 270,706,289.87
  5. Step 5: Solve for x
    x = 270,706,289.87/18,288.72
  6. Step 6: Final answer
    x = 14,801.82

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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.