Home / 22,684.72-33,954.28-12,128.36

Finding the Fourth Proportional to 22,684.72, 33,954.28 and 12,128.36

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Solution

The fourth proportional to 22,684.72, 33,954.28 and 12,128.36 is: 18,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.72 : 33,954.28 = 12,128.36 : x
  2. Step 2: Convert to fraction form
    22,684.72/33,954.28 = 12,128.36/x
  3. Step 3: Cross multiply
    22,684.72x = 33,954.28 × 12,128.36
  4. Step 4: Simplify right side
    22,684.72x = 411,809,731.38
  5. Step 5: Solve for x
    x = 411,809,731.38/22,684.72
  6. Step 6: Final answer
    x = 18,153.62

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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.