Home / 11,137.40-16,705.89-4,475.42

Finding the Fourth Proportional to 11,137.40, 16,705.89 and 4,475.42

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Solution

The fourth proportional to 11,137.40, 16,705.89 and 4,475.42 is: 6,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.40 : 16,705.89 = 4,475.42 : x
  2. Step 2: Convert to fraction form
    11,137.40/16,705.89 = 4,475.42/x
  3. Step 3: Cross multiply
    11,137.40x = 16,705.89 × 4,475.42
  4. Step 4: Simplify right side
    11,137.40x = 74,765,790.69
  5. Step 5: Solve for x
    x = 74,765,790.69/11,137.40
  6. Step 6: Final answer
    x = 6,713.04

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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.