Home / 22,515.68-33,783.24-12,125.36

Finding the Fourth Proportional to 22,515.68, 33,783.24 and 12,125.36

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Solution

The fourth proportional to 22,515.68, 33,783.24 and 12,125.36 is: 18,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.68 : 33,783.24 = 12,125.36 : x
  2. Step 2: Convert to fraction form
    22,515.68/33,783.24 = 12,125.36/x
  3. Step 3: Cross multiply
    22,515.68x = 33,783.24 × 12,125.36
  4. Step 4: Simplify right side
    22,515.68x = 409,633,946.97
  5. Step 5: Solve for x
    x = 409,633,946.97/22,515.68
  6. Step 6: Final answer
    x = 18,193.27

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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.