Home / 13,366.35-20,043.88-4,007.70

Finding the Fourth Proportional to 13,366.35, 20,043.88 and 4,007.70

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Solution

The fourth proportional to 13,366.35, 20,043.88 and 4,007.70 is: 6,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.35 : 20,043.88 = 4,007.70 : x
  2. Step 2: Convert to fraction form
    13,366.35/20,043.88 = 4,007.70/x
  3. Step 3: Cross multiply
    13,366.35x = 20,043.88 × 4,007.70
  4. Step 4: Simplify right side
    13,366.35x = 80,329,857.88
  5. Step 5: Solve for x
    x = 80,329,857.88/13,366.35
  6. Step 6: Final answer
    x = 6,009.86

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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.