Home / 8,104.23-12,135.31-6,941.69

Finding the Fourth Proportional to 8,104.23, 12,135.31 and 6,941.69

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Solution

The fourth proportional to 8,104.23, 12,135.31 and 6,941.69 is: 10,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.23 : 12,135.31 = 6,941.69 : x
  2. Step 2: Convert to fraction form
    8,104.23/12,135.31 = 6,941.69/x
  3. Step 3: Cross multiply
    8,104.23x = 12,135.31 × 6,941.69
  4. Step 4: Simplify right side
    8,104.23x = 84,239,560.07
  5. Step 5: Solve for x
    x = 84,239,560.07/8,104.23
  6. Step 6: Final answer
    x = 10,394.52

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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.