Home / 20,617.85-30,925.21-6,577.31

Finding the Fourth Proportional to 20,617.85, 30,925.21 and 6,577.31

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Solution

The fourth proportional to 20,617.85, 30,925.21 and 6,577.31 is: 9,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.85 : 30,925.21 = 6,577.31 : x
  2. Step 2: Convert to fraction form
    20,617.85/30,925.21 = 6,577.31/x
  3. Step 3: Cross multiply
    20,617.85x = 30,925.21 × 6,577.31
  4. Step 4: Simplify right side
    20,617.85x = 203,404,692.99
  5. Step 5: Solve for x
    x = 203,404,692.99/20,617.85
  6. Step 6: Final answer
    x = 9,865.47

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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.