Home / 11,000.64-15,179.43-6,221.23

Finding the Fourth Proportional to 11,000.64, 15,179.43 and 6,221.23

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Solution

The fourth proportional to 11,000.64, 15,179.43 and 6,221.23 is: 8,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.64 : 15,179.43 = 6,221.23 : x
  2. Step 2: Convert to fraction form
    11,000.64/15,179.43 = 6,221.23/x
  3. Step 3: Cross multiply
    11,000.64x = 15,179.43 × 6,221.23
  4. Step 4: Simplify right side
    11,000.64x = 94,434,694.19
  5. Step 5: Solve for x
    x = 94,434,694.19/11,000.64
  6. Step 6: Final answer
    x = 8,584.48

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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.