Home / 12,550.46-17,314.71-8,772.62

Finding the Fourth Proportional to 12,550.46, 17,314.71 and 8,772.62

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Solution

The fourth proportional to 12,550.46, 17,314.71 and 8,772.62 is: 12,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.46 : 17,314.71 = 8,772.62 : x
  2. Step 2: Convert to fraction form
    12,550.46/17,314.71 = 8,772.62/x
  3. Step 3: Cross multiply
    12,550.46x = 17,314.71 × 8,772.62
  4. Step 4: Simplify right side
    12,550.46x = 151,895,371.24
  5. Step 5: Solve for x
    x = 151,895,371.24/12,550.46
  6. Step 6: Final answer
    x = 12,102.77

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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.