Home / 12,698.24-19,049.18-3,933.84

Finding the Fourth Proportional to 12,698.24, 19,049.18 and 3,933.84

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Solution

The fourth proportional to 12,698.24, 19,049.18 and 3,933.84 is: 5,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.24 : 19,049.18 = 3,933.84 : x
  2. Step 2: Convert to fraction form
    12,698.24/19,049.18 = 3,933.84/x
  3. Step 3: Cross multiply
    12,698.24x = 19,049.18 × 3,933.84
  4. Step 4: Simplify right side
    12,698.24x = 74,936,426.25
  5. Step 5: Solve for x
    x = 74,936,426.25/12,698.24
  6. Step 6: Final answer
    x = 5,901.32

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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.