Home / 11,127.50-16,694.58-6,446.42

Finding the Fourth Proportional to 11,127.50, 16,694.58 and 6,446.42

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Solution

The fourth proportional to 11,127.50, 16,694.58 and 6,446.42 is: 9,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.50 : 16,694.58 = 6,446.42 : x
  2. Step 2: Convert to fraction form
    11,127.50/16,694.58 = 6,446.42/x
  3. Step 3: Cross multiply
    11,127.50x = 16,694.58 × 6,446.42
  4. Step 4: Simplify right side
    11,127.50x = 107,620,274.40
  5. Step 5: Solve for x
    x = 107,620,274.40/11,127.50
  6. Step 6: Final answer
    x = 9,671.56

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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.