Home / 12,168.55-18,252.71-3,848.57

Finding the Fourth Proportional to 12,168.55, 18,252.71 and 3,848.57

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Solution

The fourth proportional to 12,168.55, 18,252.71 and 3,848.57 is: 5,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.55 : 18,252.71 = 3,848.57 : x
  2. Step 2: Convert to fraction form
    12,168.55/18,252.71 = 3,848.57/x
  3. Step 3: Cross multiply
    12,168.55x = 18,252.71 × 3,848.57
  4. Step 4: Simplify right side
    12,168.55x = 70,246,740.86
  5. Step 5: Solve for x
    x = 70,246,740.86/12,168.55
  6. Step 6: Final answer
    x = 5,772.81

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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.