Home / 18,785.28-25,923.72-10,171.56

Finding the Fourth Proportional to 18,785.28, 25,923.72 and 10,171.56

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Solution

The fourth proportional to 18,785.28, 25,923.72 and 10,171.56 is: 14,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.28 : 25,923.72 = 10,171.56 : x
  2. Step 2: Convert to fraction form
    18,785.28/25,923.72 = 10,171.56/x
  3. Step 3: Cross multiply
    18,785.28x = 25,923.72 × 10,171.56
  4. Step 4: Simplify right side
    18,785.28x = 263,684,673.40
  5. Step 5: Solve for x
    x = 263,684,673.40/18,785.28
  6. Step 6: Final answer
    x = 14,036.77

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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.