Home / 11,323.20-16,972.20-5,322.24

Finding the Fourth Proportional to 11,323.20, 16,972.20 and 5,322.24

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Solution

The fourth proportional to 11,323.20, 16,972.20 and 5,322.24 is: 7,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.20 : 16,972.20 = 5,322.24 : x
  2. Step 2: Convert to fraction form
    11,323.20/16,972.20 = 5,322.24/x
  3. Step 3: Cross multiply
    11,323.20x = 16,972.20 × 5,322.24
  4. Step 4: Simplify right side
    11,323.20x = 90,330,121.73
  5. Step 5: Solve for x
    x = 90,330,121.73/11,323.20
  6. Step 6: Final answer
    x = 7,977.44

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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.