Home / 12,078.24-18,117.37-3,313.22

Finding the Fourth Proportional to 12,078.24, 18,117.37 and 3,313.22

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Solution

The fourth proportional to 12,078.24, 18,117.37 and 3,313.22 is: 4,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.24 : 18,117.37 = 3,313.22 : x
  2. Step 2: Convert to fraction form
    12,078.24/18,117.37 = 3,313.22/x
  3. Step 3: Cross multiply
    12,078.24x = 18,117.37 × 3,313.22
  4. Step 4: Simplify right side
    12,078.24x = 60,026,832.63
  5. Step 5: Solve for x
    x = 60,026,832.63/12,078.24
  6. Step 6: Final answer
    x = 4,969.83

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Similar ratio
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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.