Home / 9,620.10-14,428.32-3,378.65

Finding the Fourth Proportional to 9,620.10, 14,428.32 and 3,378.65

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Solution

The fourth proportional to 9,620.10, 14,428.32 and 3,378.65 is: 5,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.10 : 14,428.32 = 3,378.65 : x
  2. Step 2: Convert to fraction form
    9,620.10/14,428.32 = 3,378.65/x
  3. Step 3: Cross multiply
    9,620.10x = 14,428.32 × 3,378.65
  4. Step 4: Simplify right side
    9,620.10x = 48,748,171.23
  5. Step 5: Solve for x
    x = 48,748,171.23/9,620.10
  6. Step 6: Final answer
    x = 5,067.32

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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.