Home / 9,620.23-14,428.51-3,378.77

Finding the Fourth Proportional to 9,620.23, 14,428.51 and 3,378.77

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Solution

The fourth proportional to 9,620.23, 14,428.51 and 3,378.77 is: 5,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.23 : 14,428.51 = 3,378.77 : x
  2. Step 2: Convert to fraction form
    9,620.23/14,428.51 = 3,378.77/x
  3. Step 3: Cross multiply
    9,620.23x = 14,428.51 × 3,378.77
  4. Step 4: Simplify right side
    9,620.23x = 48,750,616.73
  5. Step 5: Solve for x
    x = 48,750,616.73/9,620.23
  6. Step 6: Final answer
    x = 5,067.51

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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.