Home / 12,077.13-18,118.79-3,757.22

Finding the Fourth Proportional to 12,077.13, 18,118.79 and 3,757.22

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Solution

The fourth proportional to 12,077.13, 18,118.79 and 3,757.22 is: 5,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.13 : 18,118.79 = 3,757.22 : x
  2. Step 2: Convert to fraction form
    12,077.13/18,118.79 = 3,757.22/x
  3. Step 3: Cross multiply
    12,077.13x = 18,118.79 × 3,757.22
  4. Step 4: Simplify right side
    12,077.13x = 68,076,261.38
  5. Step 5: Solve for x
    x = 68,076,261.38/12,077.13
  6. Step 6: Final answer
    x = 5,636.79

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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.