Home / 12,261.18-18,392.85-3,941.94

Finding the Fourth Proportional to 12,261.18, 18,392.85 and 3,941.94

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Solution

The fourth proportional to 12,261.18, 18,392.85 and 3,941.94 is: 5,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.18 : 18,392.85 = 3,941.94 : x
  2. Step 2: Convert to fraction form
    12,261.18/18,392.85 = 3,941.94/x
  3. Step 3: Cross multiply
    12,261.18x = 18,392.85 × 3,941.94
  4. Step 4: Simplify right side
    12,261.18x = 72,503,511.13
  5. Step 5: Solve for x
    x = 72,503,511.13/12,261.18
  6. Step 6: Final answer
    x = 5,913.26

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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.