Home / 9,900.24-14,850.36-3,979.82

Finding the Fourth Proportional to 9,900.24, 14,850.36 and 3,979.82

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Solution

The fourth proportional to 9,900.24, 14,850.36 and 3,979.82 is: 5,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.24 : 14,850.36 = 3,979.82 : x
  2. Step 2: Convert to fraction form
    9,900.24/14,850.36 = 3,979.82/x
  3. Step 3: Cross multiply
    9,900.24x = 14,850.36 × 3,979.82
  4. Step 4: Simplify right side
    9,900.24x = 59,101,759.74
  5. Step 5: Solve for x
    x = 59,101,759.74/9,900.24
  6. Step 6: Final answer
    x = 5,969.73

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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.