Home / 20,264.58-30,399.92-7,114.64

Finding the Fourth Proportional to 20,264.58, 30,399.92 and 7,114.64

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Solution

The fourth proportional to 20,264.58, 30,399.92 and 7,114.64 is: 10,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.58 : 30,399.92 = 7,114.64 : x
  2. Step 2: Convert to fraction form
    20,264.58/30,399.92 = 7,114.64/x
  3. Step 3: Cross multiply
    20,264.58x = 30,399.92 × 7,114.64
  4. Step 4: Simplify right side
    20,264.58x = 216,284,486.83
  5. Step 5: Solve for x
    x = 216,284,486.83/20,264.58
  6. Step 6: Final answer
    x = 10,673.03

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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.