Home / 11,215.42-16,824.76-3,423.22

Finding the Fourth Proportional to 11,215.42, 16,824.76 and 3,423.22

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Solution

The fourth proportional to 11,215.42, 16,824.76 and 3,423.22 is: 5,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.42 : 16,824.76 = 3,423.22 : x
  2. Step 2: Convert to fraction form
    11,215.42/16,824.76 = 3,423.22/x
  3. Step 3: Cross multiply
    11,215.42x = 16,824.76 × 3,423.22
  4. Step 4: Simplify right side
    11,215.42x = 57,594,854.93
  5. Step 5: Solve for x
    x = 57,594,854.93/11,215.42
  6. Step 6: Final answer
    x = 5,135.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.