Home / 12,791.09-19,191.93-6,124.22

Finding the Fourth Proportional to 12,791.09, 19,191.93 and 6,124.22

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Solution

The fourth proportional to 12,791.09, 19,191.93 and 6,124.22 is: 9,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.09 : 19,191.93 = 6,124.22 : x
  2. Step 2: Convert to fraction form
    12,791.09/19,191.93 = 6,124.22/x
  3. Step 3: Cross multiply
    12,791.09x = 19,191.93 × 6,124.22
  4. Step 4: Simplify right side
    12,791.09x = 117,535,505.58
  5. Step 5: Solve for x
    x = 117,535,505.58/12,791.09
  6. Step 6: Final answer
    x = 9,188.86

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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.