Home / 16,121.88-22,250.30-9,048.31

Finding the Fourth Proportional to 16,121.88, 22,250.30 and 9,048.31

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Solution

The fourth proportional to 16,121.88, 22,250.30 and 9,048.31 is: 12,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.88 : 22,250.30 = 9,048.31 : x
  2. Step 2: Convert to fraction form
    16,121.88/22,250.30 = 9,048.31/x
  3. Step 3: Cross multiply
    16,121.88x = 22,250.30 × 9,048.31
  4. Step 4: Simplify right side
    16,121.88x = 201,327,511.13
  5. Step 5: Solve for x
    x = 201,327,511.13/16,121.88
  6. Step 6: Final answer
    x = 12,487.84

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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.