Home / 17,768.30-26,660.55-8,404.70

Finding the Fourth Proportional to 17,768.30, 26,660.55 and 8,404.70

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Solution

The fourth proportional to 17,768.30, 26,660.55 and 8,404.70 is: 12,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.30 : 26,660.55 = 8,404.70 : x
  2. Step 2: Convert to fraction form
    17,768.30/26,660.55 = 8,404.70/x
  3. Step 3: Cross multiply
    17,768.30x = 26,660.55 × 8,404.70
  4. Step 4: Simplify right side
    17,768.30x = 224,073,924.59
  5. Step 5: Solve for x
    x = 224,073,924.59/17,768.30
  6. Step 6: Final answer
    x = 12,610.88

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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.