Home / 12,250.85-16,906.42-6,945.55

Finding the Fourth Proportional to 12,250.85, 16,906.42 and 6,945.55

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Solution

The fourth proportional to 12,250.85, 16,906.42 and 6,945.55 is: 9,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.85 : 16,906.42 = 6,945.55 : x
  2. Step 2: Convert to fraction form
    12,250.85/16,906.42 = 6,945.55/x
  3. Step 3: Cross multiply
    12,250.85x = 16,906.42 × 6,945.55
  4. Step 4: Simplify right side
    12,250.85x = 117,424,351.85
  5. Step 5: Solve for x
    x = 117,424,351.85/12,250.85
  6. Step 6: Final answer
    x = 9,585.00

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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.