Home / 11,752.26-16,218.46-6,447.42

Finding the Fourth Proportional to 11,752.26, 16,218.46 and 6,447.42

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Solution

The fourth proportional to 11,752.26, 16,218.46 and 6,447.42 is: 8,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.26 : 16,218.46 = 6,447.42 : x
  2. Step 2: Convert to fraction form
    11,752.26/16,218.46 = 6,447.42/x
  3. Step 3: Cross multiply
    11,752.26x = 16,218.46 × 6,447.42
  4. Step 4: Simplify right side
    11,752.26x = 104,567,223.37
  5. Step 5: Solve for x
    x = 104,567,223.37/11,752.26
  6. Step 6: Final answer
    x = 8,897.63

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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.