Home / 13,841.47-20,746.77-5,519.31

Finding the Fourth Proportional to 13,841.47, 20,746.77 and 5,519.31

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Solution

The fourth proportional to 13,841.47, 20,746.77 and 5,519.31 is: 8,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.47 : 20,746.77 = 5,519.31 : x
  2. Step 2: Convert to fraction form
    13,841.47/20,746.77 = 5,519.31/x
  3. Step 3: Cross multiply
    13,841.47x = 20,746.77 × 5,519.31
  4. Step 4: Simplify right side
    13,841.47x = 114,507,855.13
  5. Step 5: Solve for x
    x = 114,507,855.13/13,841.47
  6. Step 6: Final answer
    x = 8,272.81

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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.