Home / 11,238.18-16,857.30-6,243.62

Finding the Fourth Proportional to 11,238.18, 16,857.30 and 6,243.62

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Solution

The fourth proportional to 11,238.18, 16,857.30 and 6,243.62 is: 9,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.18 : 16,857.30 = 6,243.62 : x
  2. Step 2: Convert to fraction form
    11,238.18/16,857.30 = 6,243.62/x
  3. Step 3: Cross multiply
    11,238.18x = 16,857.30 × 6,243.62
  4. Step 4: Simplify right side
    11,238.18x = 105,250,575.43
  5. Step 5: Solve for x
    x = 105,250,575.43/11,238.18
  6. Step 6: Final answer
    x = 9,365.45

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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.