Home / 12,168.39-18,252.38-3,403.19

Finding the Fourth Proportional to 12,168.39, 18,252.38 and 3,403.19

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Solution

The fourth proportional to 12,168.39, 18,252.38 and 3,403.19 is: 5,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.39 : 18,252.38 = 3,403.19 : x
  2. Step 2: Convert to fraction form
    12,168.39/18,252.38 = 3,403.19/x
  3. Step 3: Cross multiply
    12,168.39x = 18,252.38 × 3,403.19
  4. Step 4: Simplify right side
    12,168.39x = 62,116,208.81
  5. Step 5: Solve for x
    x = 62,116,208.81/12,168.39
  6. Step 6: Final answer
    x = 5,104.72

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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.