Home / 11,257.59-15,535.50-6,221.70

Finding the Fourth Proportional to 11,257.59, 15,535.50 and 6,221.70

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Solution

The fourth proportional to 11,257.59, 15,535.50 and 6,221.70 is: 8,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.59 : 15,535.50 = 6,221.70 : x
  2. Step 2: Convert to fraction form
    11,257.59/15,535.50 = 6,221.70/x
  3. Step 3: Cross multiply
    11,257.59x = 15,535.50 × 6,221.70
  4. Step 4: Simplify right side
    11,257.59x = 96,657,220.35
  5. Step 5: Solve for x
    x = 96,657,220.35/11,257.59
  6. Step 6: Final answer
    x = 8,585.96

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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.