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Finding the Fourth Proportional to 9,995.99, 14,993.98 and 2,975.97

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Solution

The fourth proportional to 9,995.99, 14,993.98 and 2,975.97 is: 4,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.99 : 14,993.98 = 2,975.97 : x
  2. Step 2: Convert to fraction form
    9,995.99/14,993.98 = 2,975.97/x
  3. Step 3: Cross multiply
    9,995.99x = 14,993.98 × 2,975.97
  4. Step 4: Simplify right side
    9,995.99x = 44,621,634.66
  5. Step 5: Solve for x
    x = 44,621,634.66/9,995.99
  6. Step 6: Final answer
    x = 4,463.95

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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.