Home / 16,115.25-22,239.26-8,945.34

Finding the Fourth Proportional to 16,115.25, 22,239.26 and 8,945.34

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Solution

The fourth proportional to 16,115.25, 22,239.26 and 8,945.34 is: 12,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.25 : 22,239.26 = 8,945.34 : x
  2. Step 2: Convert to fraction form
    16,115.25/22,239.26 = 8,945.34/x
  3. Step 3: Cross multiply
    16,115.25x = 22,239.26 × 8,945.34
  4. Step 4: Simplify right side
    16,115.25x = 198,937,647.47
  5. Step 5: Solve for x
    x = 198,937,647.47/16,115.25
  6. Step 6: Final answer
    x = 12,344.68

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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.