Home / 11,259.79-16,892.62-4,239.86

Finding the Fourth Proportional to 11,259.79, 16,892.62 and 4,239.86

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Solution

The fourth proportional to 11,259.79, 16,892.62 and 4,239.86 is: 6,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.79 : 16,892.62 = 4,239.86 : x
  2. Step 2: Convert to fraction form
    11,259.79/16,892.62 = 4,239.86/x
  3. Step 3: Cross multiply
    11,259.79x = 16,892.62 × 4,239.86
  4. Step 4: Simplify right side
    11,259.79x = 71,622,343.79
  5. Step 5: Solve for x
    x = 71,622,343.79/11,259.79
  6. Step 6: Final answer
    x = 6,360.90

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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.