Home / 17,824.20-26,728.20-7,966.50

Finding the Fourth Proportional to 17,824.20, 26,728.20 and 7,966.50

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Solution

The fourth proportional to 17,824.20, 26,728.20 and 7,966.50 is: 11,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,824.20 : 26,728.20 = 7,966.50 : x
  2. Step 2: Convert to fraction form
    17,824.20/26,728.20 = 7,966.50/x
  3. Step 3: Cross multiply
    17,824.20x = 26,728.20 × 7,966.50
  4. Step 4: Simplify right side
    17,824.20x = 212,930,205.30
  5. Step 5: Solve for x
    x = 212,930,205.30/17,824.20
  6. Step 6: Final answer
    x = 11,946.13

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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.