Home / 16,911.92-25,377.48-9,120.56

Finding the Fourth Proportional to 16,911.92, 25,377.48 and 9,120.56

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Solution

The fourth proportional to 16,911.92, 25,377.48 and 9,120.56 is: 13,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.92 : 25,377.48 = 9,120.56 : x
  2. Step 2: Convert to fraction form
    16,911.92/25,377.48 = 9,120.56/x
  3. Step 3: Cross multiply
    16,911.92x = 25,377.48 × 9,120.56
  4. Step 4: Simplify right side
    16,911.92x = 231,456,828.99
  5. Step 5: Solve for x
    x = 231,456,828.99/16,911.92
  6. Step 6: Final answer
    x = 13,686.02

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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.