Home / 18,785.72-25,923.34-10,286.29

Finding the Fourth Proportional to 18,785.72, 25,923.34 and 10,286.29

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Solution

The fourth proportional to 18,785.72, 25,923.34 and 10,286.29 is: 14,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.72 : 25,923.34 = 10,286.29 : x
  2. Step 2: Convert to fraction form
    18,785.72/25,923.34 = 10,286.29/x
  3. Step 3: Cross multiply
    18,785.72x = 25,923.34 × 10,286.29
  4. Step 4: Simplify right side
    18,785.72x = 266,655,038.27
  5. Step 5: Solve for x
    x = 266,655,038.27/18,785.72
  6. Step 6: Final answer
    x = 14,194.56

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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.