Home / 20,677.14-31,015.90-5,886.06

Finding the Fourth Proportional to 20,677.14, 31,015.90 and 5,886.06

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Solution

The fourth proportional to 20,677.14, 31,015.90 and 5,886.06 is: 8,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.14 : 31,015.90 = 5,886.06 : x
  2. Step 2: Convert to fraction form
    20,677.14/31,015.90 = 5,886.06/x
  3. Step 3: Cross multiply
    20,677.14x = 31,015.90 × 5,886.06
  4. Step 4: Simplify right side
    20,677.14x = 182,561,339.40
  5. Step 5: Solve for x
    x = 182,561,339.40/20,677.14
  6. Step 6: Final answer
    x = 8,829.14

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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.