Home / 11,185.11-15,435.14-6,149.34

Finding the Fourth Proportional to 11,185.11, 15,435.14 and 6,149.34

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Solution

The fourth proportional to 11,185.11, 15,435.14 and 6,149.34 is: 8,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.11 : 15,435.14 = 6,149.34 : x
  2. Step 2: Convert to fraction form
    11,185.11/15,435.14 = 6,149.34/x
  3. Step 3: Cross multiply
    11,185.11x = 15,435.14 × 6,149.34
  4. Step 4: Simplify right side
    11,185.11x = 94,915,923.81
  5. Step 5: Solve for x
    x = 94,915,923.81/11,185.11
  6. Step 6: Final answer
    x = 8,485.92

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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.