Home / 11,217.41-16,807.52-6,821.57

Finding the Fourth Proportional to 11,217.41, 16,807.52 and 6,821.57

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Solution

The fourth proportional to 11,217.41, 16,807.52 and 6,821.57 is: 10,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.41 : 16,807.52 = 6,821.57 : x
  2. Step 2: Convert to fraction form
    11,217.41/16,807.52 = 6,821.57/x
  3. Step 3: Cross multiply
    11,217.41x = 16,807.52 × 6,821.57
  4. Step 4: Simplify right side
    11,217.41x = 114,653,640.10
  5. Step 5: Solve for x
    x = 114,653,640.10/11,217.41
  6. Step 6: Final answer
    x = 10,221.04

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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.