Home / 18,806.21-25,952.41-10,308.81

Finding the Fourth Proportional to 18,806.21, 25,952.41 and 10,308.81

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Solution

The fourth proportional to 18,806.21, 25,952.41 and 10,308.81 is: 14,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.21 : 25,952.41 = 10,308.81 : x
  2. Step 2: Convert to fraction form
    18,806.21/25,952.41 = 10,308.81/x
  3. Step 3: Cross multiply
    18,806.21x = 25,952.41 × 10,308.81
  4. Step 4: Simplify right side
    18,806.21x = 267,538,463.73
  5. Step 5: Solve for x
    x = 267,538,463.73/18,806.21
  6. Step 6: Final answer
    x = 14,226.07

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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.