Home / 13,006.60-19,512.33-4,121.56

Finding the Fourth Proportional to 13,006.60, 19,512.33 and 4,121.56

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Solution

The fourth proportional to 13,006.60, 19,512.33 and 4,121.56 is: 6,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.60 : 19,512.33 = 4,121.56 : x
  2. Step 2: Convert to fraction form
    13,006.60/19,512.33 = 4,121.56/x
  3. Step 3: Cross multiply
    13,006.60x = 19,512.33 × 4,121.56
  4. Step 4: Simplify right side
    13,006.60x = 80,421,247.77
  5. Step 5: Solve for x
    x = 80,421,247.77/13,006.60
  6. Step 6: Final answer
    x = 6,183.11

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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.