Home / 12,134.91-18,202.65-3,370.05

Finding the Fourth Proportional to 12,134.91, 18,202.65 and 3,370.05

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Solution

The fourth proportional to 12,134.91, 18,202.65 and 3,370.05 is: 5,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.91 : 18,202.65 = 3,370.05 : x
  2. Step 2: Convert to fraction form
    12,134.91/18,202.65 = 3,370.05/x
  3. Step 3: Cross multiply
    12,134.91x = 18,202.65 × 3,370.05
  4. Step 4: Simplify right side
    12,134.91x = 61,343,840.63
  5. Step 5: Solve for x
    x = 61,343,840.63/12,134.91
  6. Step 6: Final answer
    x = 5,055.15

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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.