Home / 12,161.72-18,242.60-6,963.95

Finding the Fourth Proportional to 12,161.72, 18,242.60 and 6,963.95

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Solution

The fourth proportional to 12,161.72, 18,242.60 and 6,963.95 is: 10,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.72 : 18,242.60 = 6,963.95 : x
  2. Step 2: Convert to fraction form
    12,161.72/18,242.60 = 6,963.95/x
  3. Step 3: Cross multiply
    12,161.72x = 18,242.60 × 6,963.95
  4. Step 4: Simplify right side
    12,161.72x = 127,040,428.24
  5. Step 5: Solve for x
    x = 127,040,428.24/12,161.72
  6. Step 6: Final answer
    x = 10,445.93

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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.