Home / 12,941.10-17,867.58-9,910.88

Finding the Fourth Proportional to 12,941.10, 17,867.58 and 9,910.88

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Solution

The fourth proportional to 12,941.10, 17,867.58 and 9,910.88 is: 13,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.10 : 17,867.58 = 9,910.88 : x
  2. Step 2: Convert to fraction form
    12,941.10/17,867.58 = 9,910.88/x
  3. Step 3: Cross multiply
    12,941.10x = 17,867.58 × 9,910.88
  4. Step 4: Simplify right side
    12,941.10x = 177,083,351.93
  5. Step 5: Solve for x
    x = 177,083,351.93/12,941.10
  6. Step 6: Final answer
    x = 13,683.79

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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.