Home / 11,199.42-15,455.57-6,163.88

Finding the Fourth Proportional to 11,199.42, 15,455.57 and 6,163.88

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Solution

The fourth proportional to 11,199.42, 15,455.57 and 6,163.88 is: 8,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.42 : 15,455.57 = 6,163.88 : x
  2. Step 2: Convert to fraction form
    11,199.42/15,455.57 = 6,163.88/x
  3. Step 3: Cross multiply
    11,199.42x = 15,455.57 × 6,163.88
  4. Step 4: Simplify right side
    11,199.42x = 95,266,170.71
  5. Step 5: Solve for x
    x = 95,266,170.71/11,199.42
  6. Step 6: Final answer
    x = 8,506.35

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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.