Home / 12,726.96-19,088.88-3,961.68

Finding the Fourth Proportional to 12,726.96, 19,088.88 and 3,961.68

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Solution

The fourth proportional to 12,726.96, 19,088.88 and 3,961.68 is: 5,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.96 : 19,088.88 = 3,961.68 : x
  2. Step 2: Convert to fraction form
    12,726.96/19,088.88 = 3,961.68/x
  3. Step 3: Cross multiply
    12,726.96x = 19,088.88 × 3,961.68
  4. Step 4: Simplify right side
    12,726.96x = 75,624,034.12
  5. Step 5: Solve for x
    x = 75,624,034.12/12,726.96
  6. Step 6: Final answer
    x = 5,942.03

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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.