Home / 18,260.64-25,199.46-10,305.42

Finding the Fourth Proportional to 18,260.64, 25,199.46 and 10,305.42

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Solution

The fourth proportional to 18,260.64, 25,199.46 and 10,305.42 is: 14,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.64 : 25,199.46 = 10,305.42 : x
  2. Step 2: Convert to fraction form
    18,260.64/25,199.46 = 10,305.42/x
  3. Step 3: Cross multiply
    18,260.64x = 25,199.46 × 10,305.42
  4. Step 4: Simplify right side
    18,260.64x = 259,691,019.07
  5. Step 5: Solve for x
    x = 259,691,019.07/18,260.64
  6. Step 6: Final answer
    x = 14,221.35

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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.