Home / 20,566.97-30,850.46-7,419.34

Finding the Fourth Proportional to 20,566.97, 30,850.46 and 7,419.34

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Solution

The fourth proportional to 20,566.97, 30,850.46 and 7,419.34 is: 11,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.97 : 30,850.46 = 7,419.34 : x
  2. Step 2: Convert to fraction form
    20,566.97/30,850.46 = 7,419.34/x
  3. Step 3: Cross multiply
    20,566.97x = 30,850.46 × 7,419.34
  4. Step 4: Simplify right side
    20,566.97x = 228,890,015.29
  5. Step 5: Solve for x
    x = 228,890,015.29/20,566.97
  6. Step 6: Final answer
    x = 11,129.01

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1.5x scale

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.