Home / 12,194-16,826.36-6,887.70

Finding the Fourth Proportional to 12,194, 16,826.36 and 6,887.70

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Solution

The fourth proportional to 12,194, 16,826.36 and 6,887.70 is: 9,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194 : 16,826.36 = 6,887.70 : x
  2. Step 2: Convert to fraction form
    12,194/16,826.36 = 6,887.70/x
  3. Step 3: Cross multiply
    12,194x = 16,826.36 × 6,887.70
  4. Step 4: Simplify right side
    12,194x = 115,894,919.77
  5. Step 5: Solve for x
    x = 115,894,919.77/12,194
  6. Step 6: Final answer
    x = 9,504.26

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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.