Home / 12,941.55-17,818.38-11,759.09

Finding the Fourth Proportional to 12,941.55, 17,818.38 and 11,759.09

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Solution

The fourth proportional to 12,941.55, 17,818.38 and 11,759.09 is: 16,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.55 : 17,818.38 = 11,759.09 : x
  2. Step 2: Convert to fraction form
    12,941.55/17,818.38 = 11,759.09/x
  3. Step 3: Cross multiply
    12,941.55x = 17,818.38 × 11,759.09
  4. Step 4: Simplify right side
    12,941.55x = 209,527,844.98
  5. Step 5: Solve for x
    x = 209,527,844.98/12,941.55
  6. Step 6: Final answer
    x = 16,190.32

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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.