Home / 9,140.75-13,698.82-6,663.97

Finding the Fourth Proportional to 9,140.75, 13,698.82 and 6,663.97

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Solution

The fourth proportional to 9,140.75, 13,698.82 and 6,663.97 is: 9,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.75 : 13,698.82 = 6,663.97 : x
  2. Step 2: Convert to fraction form
    9,140.75/13,698.82 = 6,663.97/x
  3. Step 3: Cross multiply
    9,140.75x = 13,698.82 × 6,663.97
  4. Step 4: Simplify right side
    9,140.75x = 91,288,550.97
  5. Step 5: Solve for x
    x = 91,288,550.97/9,140.75
  6. Step 6: Final answer
    x = 9,986.99

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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.