Home / 13,336.70-20,008.31-3,976.65

Finding the Fourth Proportional to 13,336.70, 20,008.31 and 3,976.65

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Solution

The fourth proportional to 13,336.70, 20,008.31 and 3,976.65 is: 5,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.70 : 20,008.31 = 3,976.65 : x
  2. Step 2: Convert to fraction form
    13,336.70/20,008.31 = 3,976.65/x
  3. Step 3: Cross multiply
    13,336.70x = 20,008.31 × 3,976.65
  4. Step 4: Simplify right side
    13,336.70x = 79,566,026.08
  5. Step 5: Solve for x
    x = 79,566,026.08/13,336.70
  6. Step 6: Final answer
    x = 5,965.95

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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.