Home / 12,169.42-16,794.02-7,137.27

Finding the Fourth Proportional to 12,169.42, 16,794.02 and 7,137.27

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Solution

The fourth proportional to 12,169.42, 16,794.02 and 7,137.27 is: 9,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.42 : 16,794.02 = 7,137.27 : x
  2. Step 2: Convert to fraction form
    12,169.42/16,794.02 = 7,137.27/x
  3. Step 3: Cross multiply
    12,169.42x = 16,794.02 × 7,137.27
  4. Step 4: Simplify right side
    12,169.42x = 119,863,387.95
  5. Step 5: Solve for x
    x = 119,863,387.95/12,169.42
  6. Step 6: Final answer
    x = 9,849.56

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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.