Home / 13,336.10-19,999.92-5,543

Finding the Fourth Proportional to 13,336.10, 19,999.92 and 5,543

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Solution

The fourth proportional to 13,336.10, 19,999.92 and 5,543 is: 8,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.10 : 19,999.92 = 5,543 : x
  2. Step 2: Convert to fraction form
    13,336.10/19,999.92 = 5,543/x
  3. Step 3: Cross multiply
    13,336.10x = 19,999.92 × 5,543
  4. Step 4: Simplify right side
    13,336.10x = 110,859,556.56
  5. Step 5: Solve for x
    x = 110,859,556.56/13,336.10
  6. Step 6: Final answer
    x = 8,312.74

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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.