Home / 11,318.08-16,981.17-5,772.82

Finding the Fourth Proportional to 11,318.08, 16,981.17 and 5,772.82

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Solution

The fourth proportional to 11,318.08, 16,981.17 and 5,772.82 is: 8,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.08 : 16,981.17 = 5,772.82 : x
  2. Step 2: Convert to fraction form
    11,318.08/16,981.17 = 5,772.82/x
  3. Step 3: Cross multiply
    11,318.08x = 16,981.17 × 5,772.82
  4. Step 4: Simplify right side
    11,318.08x = 98,029,237.80
  5. Step 5: Solve for x
    x = 98,029,237.80/11,318.08
  6. Step 6: Final answer
    x = 8,661.30

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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.