Home / 11,122.30-15,348.78-6,086.51

Finding the Fourth Proportional to 11,122.30, 15,348.78 and 6,086.51

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Solution

The fourth proportional to 11,122.30, 15,348.78 and 6,086.51 is: 8,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.30 : 15,348.78 = 6,086.51 : x
  2. Step 2: Convert to fraction form
    11,122.30/15,348.78 = 6,086.51/x
  3. Step 3: Cross multiply
    11,122.30x = 15,348.78 × 6,086.51
  4. Step 4: Simplify right side
    11,122.30x = 93,420,502.96
  5. Step 5: Solve for x
    x = 93,420,502.96/11,122.30
  6. Step 6: Final answer
    x = 8,399.39

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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.