Home / 22,929.78-34,393.24-8,136.75

Finding the Fourth Proportional to 22,929.78, 34,393.24 and 8,136.75

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Solution

The fourth proportional to 22,929.78, 34,393.24 and 8,136.75 is: 12,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.78 : 34,393.24 = 8,136.75 : x
  2. Step 2: Convert to fraction form
    22,929.78/34,393.24 = 8,136.75/x
  3. Step 3: Cross multiply
    22,929.78x = 34,393.24 × 8,136.75
  4. Step 4: Simplify right side
    22,929.78x = 279,849,195.57
  5. Step 5: Solve for x
    x = 279,849,195.57/22,929.78
  6. Step 6: Final answer
    x = 12,204.62

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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.