Home / 22,136.87-30,546.74-12,703.61

Finding the Fourth Proportional to 22,136.87, 30,546.74 and 12,703.61

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Solution

The fourth proportional to 22,136.87, 30,546.74 and 12,703.61 is: 17,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.87 : 30,546.74 = 12,703.61 : x
  2. Step 2: Convert to fraction form
    22,136.87/30,546.74 = 12,703.61/x
  3. Step 3: Cross multiply
    22,136.87x = 30,546.74 × 12,703.61
  4. Step 4: Simplify right side
    22,136.87x = 388,053,871.73
  5. Step 5: Solve for x
    x = 388,053,871.73/22,136.87
  6. Step 6: Final answer
    x = 17,529.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.