Home / 18,258.21-25,194.79-10,191.13

Finding the Fourth Proportional to 18,258.21, 25,194.79 and 10,191.13

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Solution

The fourth proportional to 18,258.21, 25,194.79 and 10,191.13 is: 14,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.21 : 25,194.79 = 10,191.13 : x
  2. Step 2: Convert to fraction form
    18,258.21/25,194.79 = 10,191.13/x
  3. Step 3: Cross multiply
    18,258.21x = 25,194.79 × 10,191.13
  4. Step 4: Simplify right side
    18,258.21x = 256,763,380.21
  5. Step 5: Solve for x
    x = 256,763,380.21/18,258.21
  6. Step 6: Final answer
    x = 14,062.90

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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.