Home / 9,238.45-13,860.15-2,665.21

Finding the Fourth Proportional to 9,238.45, 13,860.15 and 2,665.21

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Solution

The fourth proportional to 9,238.45, 13,860.15 and 2,665.21 is: 3,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.45 : 13,860.15 = 2,665.21 : x
  2. Step 2: Convert to fraction form
    9,238.45/13,860.15 = 2,665.21/x
  3. Step 3: Cross multiply
    9,238.45x = 13,860.15 × 2,665.21
  4. Step 4: Simplify right side
    9,238.45x = 36,940,210.38
  5. Step 5: Solve for x
    x = 36,940,210.38/9,238.45
  6. Step 6: Final answer
    x = 3,998.53

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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.