Home / 11,257.74-15,535.06-6,221.66

Finding the Fourth Proportional to 11,257.74, 15,535.06 and 6,221.66

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Solution

The fourth proportional to 11,257.74, 15,535.06 and 6,221.66 is: 8,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.74 : 15,535.06 = 6,221.66 : x
  2. Step 2: Convert to fraction form
    11,257.74/15,535.06 = 6,221.66/x
  3. Step 3: Cross multiply
    11,257.74x = 15,535.06 × 6,221.66
  4. Step 4: Simplify right side
    11,257.74x = 96,653,853.94
  5. Step 5: Solve for x
    x = 96,653,853.94/11,257.74
  6. Step 6: Final answer
    x = 8,585.55

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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.