Home / 13,947.45-20,924.82-8,099.03

Finding the Fourth Proportional to 13,947.45, 20,924.82 and 8,099.03

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Solution

The fourth proportional to 13,947.45, 20,924.82 and 8,099.03 is: 12,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.45 : 20,924.82 = 8,099.03 : x
  2. Step 2: Convert to fraction form
    13,947.45/20,924.82 = 8,099.03/x
  3. Step 3: Cross multiply
    13,947.45x = 20,924.82 × 8,099.03
  4. Step 4: Simplify right side
    13,947.45x = 169,470,640.30
  5. Step 5: Solve for x
    x = 169,470,640.30/13,947.45
  6. Step 6: Final answer
    x = 12,150.65

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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.