Home / 11,003.70-16,505.39-4,429.72

Finding the Fourth Proportional to 11,003.70, 16,505.39 and 4,429.72

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Solution

The fourth proportional to 11,003.70, 16,505.39 and 4,429.72 is: 6,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.70 : 16,505.39 = 4,429.72 : x
  2. Step 2: Convert to fraction form
    11,003.70/16,505.39 = 4,429.72/x
  3. Step 3: Cross multiply
    11,003.70x = 16,505.39 × 4,429.72
  4. Step 4: Simplify right side
    11,003.70x = 73,114,287.90
  5. Step 5: Solve for x
    x = 73,114,287.90/11,003.70
  6. Step 6: Final answer
    x = 6,644.52

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1.5x scale

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.