Home / 12,192.50-16,826.37-6,887.18

Finding the Fourth Proportional to 12,192.50, 16,826.37 and 6,887.18

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Solution

The fourth proportional to 12,192.50, 16,826.37 and 6,887.18 is: 9,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.50 : 16,826.37 = 6,887.18 : x
  2. Step 2: Convert to fraction form
    12,192.50/16,826.37 = 6,887.18/x
  3. Step 3: Cross multiply
    12,192.50x = 16,826.37 × 6,887.18
  4. Step 4: Simplify right side
    12,192.50x = 115,886,238.94
  5. Step 5: Solve for x
    x = 115,886,238.94/12,192.50
  6. Step 6: Final answer
    x = 9,504.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.