Home / 13,116.66-18,107.82-10,199.73

Finding the Fourth Proportional to 13,116.66, 18,107.82 and 10,199.73

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Solution

The fourth proportional to 13,116.66, 18,107.82 and 10,199.73 is: 14,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.66 : 18,107.82 = 10,199.73 : x
  2. Step 2: Convert to fraction form
    13,116.66/18,107.82 = 10,199.73/x
  3. Step 3: Cross multiply
    13,116.66x = 18,107.82 × 10,199.73
  4. Step 4: Simplify right side
    13,116.66x = 184,694,874.89
  5. Step 5: Solve for x
    x = 184,694,874.89/13,116.66
  6. Step 6: Final answer
    x = 14,080.94

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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.