Home / 22,107.24-33,136.38-8,955.72

Finding the Fourth Proportional to 22,107.24, 33,136.38 and 8,955.72

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Solution

The fourth proportional to 22,107.24, 33,136.38 and 8,955.72 is: 13,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.24 : 33,136.38 = 8,955.72 : x
  2. Step 2: Convert to fraction form
    22,107.24/33,136.38 = 8,955.72/x
  3. Step 3: Cross multiply
    22,107.24x = 33,136.38 × 8,955.72
  4. Step 4: Simplify right side
    22,107.24x = 296,760,141.09
  5. Step 5: Solve for x
    x = 296,760,141.09/22,107.24
  6. Step 6: Final answer
    x = 13,423.66

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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.