Home / 18,261.11-25,204.40-11,876.60

Finding the Fourth Proportional to 18,261.11, 25,204.40 and 11,876.60

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Solution

The fourth proportional to 18,261.11, 25,204.40 and 11,876.60 is: 16,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.11 : 25,204.40 = 11,876.60 : x
  2. Step 2: Convert to fraction form
    18,261.11/25,204.40 = 11,876.60/x
  3. Step 3: Cross multiply
    18,261.11x = 25,204.40 × 11,876.60
  4. Step 4: Simplify right side
    18,261.11x = 299,342,391.64
  5. Step 5: Solve for x
    x = 299,342,391.64/18,261.11
  6. Step 6: Final answer
    x = 16,392.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.