Home / 16,131.92-22,261.80-9,058.64

Finding the Fourth Proportional to 16,131.92, 22,261.80 and 9,058.64

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Solution

The fourth proportional to 16,131.92, 22,261.80 and 9,058.64 is: 12,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131.92 : 22,261.80 = 9,058.64 : x
  2. Step 2: Convert to fraction form
    16,131.92/22,261.80 = 9,058.64/x
  3. Step 3: Cross multiply
    16,131.92x = 22,261.80 × 9,058.64
  4. Step 4: Simplify right side
    16,131.92x = 201,661,631.95
  5. Step 5: Solve for x
    x = 201,661,631.95/16,131.92
  6. Step 6: Final answer
    x = 12,500.78

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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.