Home / 11,090.85-16,639.50-4,165.89

Finding the Fourth Proportional to 11,090.85, 16,639.50 and 4,165.89

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Solution

The fourth proportional to 11,090.85, 16,639.50 and 4,165.89 is: 6,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.85 : 16,639.50 = 4,165.89 : x
  2. Step 2: Convert to fraction form
    11,090.85/16,639.50 = 4,165.89/x
  3. Step 3: Cross multiply
    11,090.85x = 16,639.50 × 4,165.89
  4. Step 4: Simplify right side
    11,090.85x = 69,318,326.66
  5. Step 5: Solve for x
    x = 69,318,326.66/11,090.85
  6. Step 6: Final answer
    x = 6,250.05

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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.