Home / 10,884.41-16,327.80-4,645.09

Finding the Fourth Proportional to 10,884.41, 16,327.80 and 4,645.09

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Solution

The fourth proportional to 10,884.41, 16,327.80 and 4,645.09 is: 6,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.41 : 16,327.80 = 4,645.09 : x
  2. Step 2: Convert to fraction form
    10,884.41/16,327.80 = 4,645.09/x
  3. Step 3: Cross multiply
    10,884.41x = 16,327.80 × 4,645.09
  4. Step 4: Simplify right side
    10,884.41x = 75,844,018.86
  5. Step 5: Solve for x
    x = 75,844,018.86/10,884.41
  6. Step 6: Final answer
    x = 6,968.13

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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.