Home / 12,893.98-19,342.32-5,499.22

Finding the Fourth Proportional to 12,893.98, 19,342.32 and 5,499.22

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Solution

The fourth proportional to 12,893.98, 19,342.32 and 5,499.22 is: 8,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.98 : 19,342.32 = 5,499.22 : x
  2. Step 2: Convert to fraction form
    12,893.98/19,342.32 = 5,499.22/x
  3. Step 3: Cross multiply
    12,893.98x = 19,342.32 × 5,499.22
  4. Step 4: Simplify right side
    12,893.98x = 106,367,672.99
  5. Step 5: Solve for x
    x = 106,367,672.99/12,893.98
  6. Step 6: Final answer
    x = 8,249.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.