Home / 12,402.08-18,604.08-3,168

Finding the Fourth Proportional to 12,402.08, 18,604.08 and 3,168

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Solution

The fourth proportional to 12,402.08, 18,604.08 and 3,168 is: 4,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.08 : 18,604.08 = 3,168 : x
  2. Step 2: Convert to fraction form
    12,402.08/18,604.08 = 3,168/x
  3. Step 3: Cross multiply
    12,402.08x = 18,604.08 × 3,168
  4. Step 4: Simplify right side
    12,402.08x = 58,937,725.44
  5. Step 5: Solve for x
    x = 58,937,725.44/12,402.08
  6. Step 6: Final answer
    x = 4,752.25

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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.