Home / 25,286.36-37,910.81-12,126.20

Finding the Fourth Proportional to 25,286.36, 37,910.81 and 12,126.20

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Solution

The fourth proportional to 25,286.36, 37,910.81 and 12,126.20 is: 18,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.36 : 37,910.81 = 12,126.20 : x
  2. Step 2: Convert to fraction form
    25,286.36/37,910.81 = 12,126.20/x
  3. Step 3: Cross multiply
    25,286.36x = 37,910.81 × 12,126.20
  4. Step 4: Simplify right side
    25,286.36x = 459,713,904.98
  5. Step 5: Solve for x
    x = 459,713,904.98/25,286.36
  6. Step 6: Final answer
    x = 18,180.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.