Home / 11,257.79-15,535.26-6,221.75

Finding the Fourth Proportional to 11,257.79, 15,535.26 and 6,221.75

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Solution

The fourth proportional to 11,257.79, 15,535.26 and 6,221.75 is: 8,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.79 : 15,535.26 = 6,221.75 : x
  2. Step 2: Convert to fraction form
    11,257.79/15,535.26 = 6,221.75/x
  3. Step 3: Cross multiply
    11,257.79x = 15,535.26 × 6,221.75
  4. Step 4: Simplify right side
    11,257.79x = 96,656,426.23
  5. Step 5: Solve for x
    x = 96,656,426.23/11,257.79
  6. Step 6: Final answer
    x = 8,585.74

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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.