Home / 11,666.38-16,100.03-6,631.45

Finding the Fourth Proportional to 11,666.38, 16,100.03 and 6,631.45

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Solution

The fourth proportional to 11,666.38, 16,100.03 and 6,631.45 is: 9,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.38 : 16,100.03 = 6,631.45 : x
  2. Step 2: Convert to fraction form
    11,666.38/16,100.03 = 6,631.45/x
  3. Step 3: Cross multiply
    11,666.38x = 16,100.03 × 6,631.45
  4. Step 4: Simplify right side
    11,666.38x = 106,766,463.44
  5. Step 5: Solve for x
    x = 106,766,463.44/11,666.38
  6. Step 6: Final answer
    x = 9,151.64

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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.