Home / 22,120.64-33,170.16-9,651.20

Finding the Fourth Proportional to 22,120.64, 33,170.16 and 9,651.20

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Solution

The fourth proportional to 22,120.64, 33,170.16 and 9,651.20 is: 14,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.64 : 33,170.16 = 9,651.20 : x
  2. Step 2: Convert to fraction form
    22,120.64/33,170.16 = 9,651.20/x
  3. Step 3: Cross multiply
    22,120.64x = 33,170.16 × 9,651.20
  4. Step 4: Simplify right side
    22,120.64x = 320,131,848.19
  5. Step 5: Solve for x
    x = 320,131,848.19/22,120.64
  6. Step 6: Final answer
    x = 14,472.09

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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.