Home / 12,553.43-18,829.56-5,531.57

Finding the Fourth Proportional to 12,553.43, 18,829.56 and 5,531.57

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Solution

The fourth proportional to 12,553.43, 18,829.56 and 5,531.57 is: 8,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.43 : 18,829.56 = 5,531.57 : x
  2. Step 2: Convert to fraction form
    12,553.43/18,829.56 = 5,531.57/x
  3. Step 3: Cross multiply
    12,553.43x = 18,829.56 × 5,531.57
  4. Step 4: Simplify right side
    12,553.43x = 104,156,935.06
  5. Step 5: Solve for x
    x = 104,156,935.06/12,553.43
  6. Step 6: Final answer
    x = 8,297.09

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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.