Home / 10,957.97-16,427.73-4,380.57

Finding the Fourth Proportional to 10,957.97, 16,427.73 and 4,380.57

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Solution

The fourth proportional to 10,957.97, 16,427.73 and 4,380.57 is: 6,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.97 : 16,427.73 = 4,380.57 : x
  2. Step 2: Convert to fraction form
    10,957.97/16,427.73 = 4,380.57/x
  3. Step 3: Cross multiply
    10,957.97x = 16,427.73 × 4,380.57
  4. Step 4: Simplify right side
    10,957.97x = 71,962,821.21
  5. Step 5: Solve for x
    x = 71,962,821.21/10,957.97
  6. Step 6: Final answer
    x = 6,567.17

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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.