Home / 12,251.36-16,896.12-8,058.80

Finding the Fourth Proportional to 12,251.36, 16,896.12 and 8,058.80

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Solution

The fourth proportional to 12,251.36, 16,896.12 and 8,058.80 is: 11,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.36 : 16,896.12 = 8,058.80 : x
  2. Step 2: Convert to fraction form
    12,251.36/16,896.12 = 8,058.80/x
  3. Step 3: Cross multiply
    12,251.36x = 16,896.12 × 8,058.80
  4. Step 4: Simplify right side
    12,251.36x = 136,162,451.86
  5. Step 5: Solve for x
    x = 136,162,451.86/12,251.36
  6. Step 6: Final answer
    x = 11,114.07

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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.