Home / 11,112.39-16,663.41-4,090.62

Finding the Fourth Proportional to 11,112.39, 16,663.41 and 4,090.62

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Solution

The fourth proportional to 11,112.39, 16,663.41 and 4,090.62 is: 6,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.39 : 16,663.41 = 4,090.62 : x
  2. Step 2: Convert to fraction form
    11,112.39/16,663.41 = 4,090.62/x
  3. Step 3: Cross multiply
    11,112.39x = 16,663.41 × 4,090.62
  4. Step 4: Simplify right side
    11,112.39x = 68,163,678.21
  5. Step 5: Solve for x
    x = 68,163,678.21/11,112.39
  6. Step 6: Final answer
    x = 6,134.03

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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.