Home / 18,325.20-25,288.31-10,258.95

Finding the Fourth Proportional to 18,325.20, 25,288.31 and 10,258.95

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Solution

The fourth proportional to 18,325.20, 25,288.31 and 10,258.95 is: 14,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.20 : 25,288.31 = 10,258.95 : x
  2. Step 2: Convert to fraction form
    18,325.20/25,288.31 = 10,258.95/x
  3. Step 3: Cross multiply
    18,325.20x = 25,288.31 × 10,258.95
  4. Step 4: Simplify right side
    18,325.20x = 259,431,507.87
  5. Step 5: Solve for x
    x = 259,431,507.87/18,325.20
  6. Step 6: Final answer
    x = 14,157.09

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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.