Home / 11,261.79-16,894.35-3,468.78

Finding the Fourth Proportional to 11,261.79, 16,894.35 and 3,468.78

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Solution

The fourth proportional to 11,261.79, 16,894.35 and 3,468.78 is: 5,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.79 : 16,894.35 = 3,468.78 : x
  2. Step 2: Convert to fraction form
    11,261.79/16,894.35 = 3,468.78/x
  3. Step 3: Cross multiply
    11,261.79x = 16,894.35 × 3,468.78
  4. Step 4: Simplify right side
    11,261.79x = 58,602,783.39
  5. Step 5: Solve for x
    x = 58,602,783.39/11,261.79
  6. Step 6: Final answer
    x = 5,203.68

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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.