Home / 13,310.73-19,961.99-4,543.59

Finding the Fourth Proportional to 13,310.73, 19,961.99 and 4,543.59

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Solution

The fourth proportional to 13,310.73, 19,961.99 and 4,543.59 is: 6,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.73 : 19,961.99 = 4,543.59 : x
  2. Step 2: Convert to fraction form
    13,310.73/19,961.99 = 4,543.59/x
  3. Step 3: Cross multiply
    13,310.73x = 19,961.99 × 4,543.59
  4. Step 4: Simplify right side
    13,310.73x = 90,699,192.88
  5. Step 5: Solve for x
    x = 90,699,192.88/13,310.73
  6. Step 6: Final answer
    x = 6,813.99

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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.