Home / 13,097.26-19,649.72-4,212.39

Finding the Fourth Proportional to 13,097.26, 19,649.72 and 4,212.39

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Solution

The fourth proportional to 13,097.26, 19,649.72 and 4,212.39 is: 6,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.26 : 19,649.72 = 4,212.39 : x
  2. Step 2: Convert to fraction form
    13,097.26/19,649.72 = 4,212.39/x
  3. Step 3: Cross multiply
    13,097.26x = 19,649.72 × 4,212.39
  4. Step 4: Simplify right side
    13,097.26x = 82,772,272.51
  5. Step 5: Solve for x
    x = 82,772,272.51/13,097.26
  6. Step 6: Final answer
    x = 6,319.82

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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.