Home / 11,752.46-16,218.38-6,447.39

Finding the Fourth Proportional to 11,752.46, 16,218.38 and 6,447.39

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Solution

The fourth proportional to 11,752.46, 16,218.38 and 6,447.39 is: 8,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.46 : 16,218.38 = 6,447.39 : x
  2. Step 2: Convert to fraction form
    11,752.46/16,218.38 = 6,447.39/x
  3. Step 3: Cross multiply
    11,752.46x = 16,218.38 × 6,447.39
  4. Step 4: Simplify right side
    11,752.46x = 104,566,176.33
  5. Step 5: Solve for x
    x = 104,566,176.33/11,752.46
  6. Step 6: Final answer
    x = 8,897.39

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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.