Home / 11,205.05-15,463.61-6,170.34

Finding the Fourth Proportional to 11,205.05, 15,463.61 and 6,170.34

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Solution

The fourth proportional to 11,205.05, 15,463.61 and 6,170.34 is: 8,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.05 : 15,463.61 = 6,170.34 : x
  2. Step 2: Convert to fraction form
    11,205.05/15,463.61 = 6,170.34/x
  3. Step 3: Cross multiply
    11,205.05x = 15,463.61 × 6,170.34
  4. Step 4: Simplify right side
    11,205.05x = 95,415,781.60
  5. Step 5: Solve for x
    x = 95,415,781.60/11,205.05
  6. Step 6: Final answer
    x = 8,515.43

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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.