Home / 12,941.82-17,867.88-8,961.48

Finding the Fourth Proportional to 12,941.82, 17,867.88 and 8,961.48

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Solution

The fourth proportional to 12,941.82, 17,867.88 and 8,961.48 is: 12,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.82 : 17,867.88 = 8,961.48 : x
  2. Step 2: Convert to fraction form
    12,941.82/17,867.88 = 8,961.48/x
  3. Step 3: Cross multiply
    12,941.82x = 17,867.88 × 8,961.48
  4. Step 4: Simplify right side
    12,941.82x = 160,122,649.26
  5. Step 5: Solve for x
    x = 160,122,649.26/12,941.82
  6. Step 6: Final answer
    x = 12,372.50

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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.