Home / 11,205.11-15,462.50-6,169.78

Finding the Fourth Proportional to 11,205.11, 15,462.50 and 6,169.78

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Solution

The fourth proportional to 11,205.11, 15,462.50 and 6,169.78 is: 8,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.11 : 15,462.50 = 6,169.78 : x
  2. Step 2: Convert to fraction form
    11,205.11/15,462.50 = 6,169.78/x
  3. Step 3: Cross multiply
    11,205.11x = 15,462.50 × 6,169.78
  4. Step 4: Simplify right side
    11,205.11x = 95,400,192.40
  5. Step 5: Solve for x
    x = 95,400,192.40/11,205.11
  6. Step 6: Final answer
    x = 8,513.99

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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.