Home / 9,620.90-14,419.20-5,234.75

Finding the Fourth Proportional to 9,620.90, 14,419.20 and 5,234.75

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Solution

The fourth proportional to 9,620.90, 14,419.20 and 5,234.75 is: 7,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.90 : 14,419.20 = 5,234.75 : x
  2. Step 2: Convert to fraction form
    9,620.90/14,419.20 = 5,234.75/x
  3. Step 3: Cross multiply
    9,620.90x = 14,419.20 × 5,234.75
  4. Step 4: Simplify right side
    9,620.90x = 75,480,907.20
  5. Step 5: Solve for x
    x = 75,480,907.20/9,620.90
  6. Step 6: Final answer
    x = 7,845.51

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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.