Home / 11,666.43-16,099.33-6,631.20

Finding the Fourth Proportional to 11,666.43, 16,099.33 and 6,631.20

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Solution

The fourth proportional to 11,666.43, 16,099.33 and 6,631.20 is: 9,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.43 : 16,099.33 = 6,631.20 : x
  2. Step 2: Convert to fraction form
    11,666.43/16,099.33 = 6,631.20/x
  3. Step 3: Cross multiply
    11,666.43x = 16,099.33 × 6,631.20
  4. Step 4: Simplify right side
    11,666.43x = 106,757,917.34
  5. Step 5: Solve for x
    x = 106,757,917.34/11,666.43
  6. Step 6: Final answer
    x = 9,150.86

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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.