Home / 14,971.73-20,660.13-8,257.37

Finding the Fourth Proportional to 14,971.73, 20,660.13 and 8,257.37

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Solution

The fourth proportional to 14,971.73, 20,660.13 and 8,257.37 is: 11,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.73 : 20,660.13 = 8,257.37 : x
  2. Step 2: Convert to fraction form
    14,971.73/20,660.13 = 8,257.37/x
  3. Step 3: Cross multiply
    14,971.73x = 20,660.13 × 8,257.37
  4. Step 4: Simplify right side
    14,971.73x = 170,598,234.36
  5. Step 5: Solve for x
    x = 170,598,234.36/14,971.73
  6. Step 6: Final answer
    x = 11,394.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.