Home / 9,945.45-13,700.85-8,524.65

Finding the Fourth Proportional to 9,945.45, 13,700.85 and 8,524.65

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Solution

The fourth proportional to 9,945.45, 13,700.85 and 8,524.65 is: 11,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.45 : 13,700.85 = 8,524.65 : x
  2. Step 2: Convert to fraction form
    9,945.45/13,700.85 = 8,524.65/x
  3. Step 3: Cross multiply
    9,945.45x = 13,700.85 × 8,524.65
  4. Step 4: Simplify right side
    9,945.45x = 116,794,950.95
  5. Step 5: Solve for x
    x = 116,794,950.95/9,945.45
  6. Step 6: Final answer
    x = 11,743.56

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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.