Home / 12,934.21-19,385.07-5,529.96

Finding the Fourth Proportional to 12,934.21, 19,385.07 and 5,529.96

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Solution

The fourth proportional to 12,934.21, 19,385.07 and 5,529.96 is: 8,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.21 : 19,385.07 = 5,529.96 : x
  2. Step 2: Convert to fraction form
    12,934.21/19,385.07 = 5,529.96/x
  3. Step 3: Cross multiply
    12,934.21x = 19,385.07 × 5,529.96
  4. Step 4: Simplify right side
    12,934.21x = 107,198,661.70
  5. Step 5: Solve for x
    x = 107,198,661.70/12,934.21
  6. Step 6: Final answer
    x = 8,287.99

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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.