Home / 13,886.44-20,837.81-5,127.46

Finding the Fourth Proportional to 13,886.44, 20,837.81 and 5,127.46

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Solution

The fourth proportional to 13,886.44, 20,837.81 and 5,127.46 is: 7,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.44 : 20,837.81 = 5,127.46 : x
  2. Step 2: Convert to fraction form
    13,886.44/20,837.81 = 5,127.46/x
  3. Step 3: Cross multiply
    13,886.44x = 20,837.81 × 5,127.46
  4. Step 4: Simplify right side
    13,886.44x = 106,845,037.26
  5. Step 5: Solve for x
    x = 106,845,037.26/13,886.44
  6. Step 6: Final answer
    x = 7,694.20

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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.