Home / 16,511.31-22,785.48-8,957.57

Finding the Fourth Proportional to 16,511.31, 22,785.48 and 8,957.57

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Solution

The fourth proportional to 16,511.31, 22,785.48 and 8,957.57 is: 12,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.31 : 22,785.48 = 8,957.57 : x
  2. Step 2: Convert to fraction form
    16,511.31/22,785.48 = 8,957.57/x
  3. Step 3: Cross multiply
    16,511.31x = 22,785.48 × 8,957.57
  4. Step 4: Simplify right side
    16,511.31x = 204,102,418.16
  5. Step 5: Solve for x
    x = 204,102,418.16/16,511.31
  6. Step 6: Final answer
    x = 12,361.37

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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.