Home / 12,040.29-18,056.79-3,274.07

Finding the Fourth Proportional to 12,040.29, 18,056.79 and 3,274.07

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Solution

The fourth proportional to 12,040.29, 18,056.79 and 3,274.07 is: 4,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.29 : 18,056.79 = 3,274.07 : x
  2. Step 2: Convert to fraction form
    12,040.29/18,056.79 = 3,274.07/x
  3. Step 3: Cross multiply
    12,040.29x = 18,056.79 × 3,274.07
  4. Step 4: Simplify right side
    12,040.29x = 59,119,104.15
  5. Step 5: Solve for x
    x = 59,119,104.15/12,040.29
  6. Step 6: Final answer
    x = 4,910.11

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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.