Home / 11,261.68-15,540.46-6,225.51

Finding the Fourth Proportional to 11,261.68, 15,540.46 and 6,225.51

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Solution

The fourth proportional to 11,261.68, 15,540.46 and 6,225.51 is: 8,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.68 : 15,540.46 = 6,225.51 : x
  2. Step 2: Convert to fraction form
    11,261.68/15,540.46 = 6,225.51/x
  3. Step 3: Cross multiply
    11,261.68x = 15,540.46 × 6,225.51
  4. Step 4: Simplify right side
    11,261.68x = 96,747,244.43
  5. Step 5: Solve for x
    x = 96,747,244.43/11,261.68
  6. Step 6: Final answer
    x = 8,590.83

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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.