Home / 14,286.31-21,426.22-5,052.31

Finding the Fourth Proportional to 14,286.31, 21,426.22 and 5,052.31

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Solution

The fourth proportional to 14,286.31, 21,426.22 and 5,052.31 is: 7,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.31 : 21,426.22 = 5,052.31 : x
  2. Step 2: Convert to fraction form
    14,286.31/21,426.22 = 5,052.31/x
  3. Step 3: Cross multiply
    14,286.31x = 21,426.22 × 5,052.31
  4. Step 4: Simplify right side
    14,286.31x = 108,251,858.32
  5. Step 5: Solve for x
    x = 108,251,858.32/14,286.31
  6. Step 6: Final answer
    x = 7,577.32

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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.