Home / 11,216.72-16,828.97-4,981.11

Finding the Fourth Proportional to 11,216.72, 16,828.97 and 4,981.11

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Solution

The fourth proportional to 11,216.72, 16,828.97 and 4,981.11 is: 7,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.72 : 16,828.97 = 4,981.11 : x
  2. Step 2: Convert to fraction form
    11,216.72/16,828.97 = 4,981.11/x
  3. Step 3: Cross multiply
    11,216.72x = 16,828.97 × 4,981.11
  4. Step 4: Simplify right side
    11,216.72x = 83,826,859.78
  5. Step 5: Solve for x
    x = 83,826,859.78/11,216.72
  6. Step 6: Final answer
    x = 7,473.39

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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.