Home / 11,929.67-17,903.73-8,257.56

Finding the Fourth Proportional to 11,929.67, 17,903.73 and 8,257.56

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Solution

The fourth proportional to 11,929.67, 17,903.73 and 8,257.56 is: 12,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.67 : 17,903.73 = 8,257.56 : x
  2. Step 2: Convert to fraction form
    11,929.67/17,903.73 = 8,257.56/x
  3. Step 3: Cross multiply
    11,929.67x = 17,903.73 × 8,257.56
  4. Step 4: Simplify right side
    11,929.67x = 147,841,124.70
  5. Step 5: Solve for x
    x = 147,841,124.70/11,929.67
  6. Step 6: Final answer
    x = 12,392.73

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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.