Home / 12,224.08-16,858.83-8,239.96

Finding the Fourth Proportional to 12,224.08, 16,858.83 and 8,239.96

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Solution

The fourth proportional to 12,224.08, 16,858.83 and 8,239.96 is: 11,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.08 : 16,858.83 = 8,239.96 : x
  2. Step 2: Convert to fraction form
    12,224.08/16,858.83 = 8,239.96/x
  3. Step 3: Cross multiply
    12,224.08x = 16,858.83 × 8,239.96
  4. Step 4: Simplify right side
    12,224.08x = 138,916,084.85
  5. Step 5: Solve for x
    x = 138,916,084.85/12,224.08
  6. Step 6: Final answer
    x = 11,364.13

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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.