Home / 12,161.22-18,241.85-6,963.45

Finding the Fourth Proportional to 12,161.22, 18,241.85 and 6,963.45

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Solution

The fourth proportional to 12,161.22, 18,241.85 and 6,963.45 is: 10,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.22 : 18,241.85 = 6,963.45 : x
  2. Step 2: Convert to fraction form
    12,161.22/18,241.85 = 6,963.45/x
  3. Step 3: Cross multiply
    12,161.22x = 18,241.85 × 6,963.45
  4. Step 4: Simplify right side
    12,161.22x = 127,026,210.38
  5. Step 5: Solve for x
    x = 127,026,210.38/12,161.22
  6. Step 6: Final answer
    x = 10,445.19

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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.