Home / 9,163.15-13,744.73-3,320.21

Finding the Fourth Proportional to 9,163.15, 13,744.73 and 3,320.21

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Solution

The fourth proportional to 9,163.15, 13,744.73 and 3,320.21 is: 4,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.15 : 13,744.73 = 3,320.21 : x
  2. Step 2: Convert to fraction form
    9,163.15/13,744.73 = 3,320.21/x
  3. Step 3: Cross multiply
    9,163.15x = 13,744.73 × 3,320.21
  4. Step 4: Simplify right side
    9,163.15x = 45,635,432.66
  5. Step 5: Solve for x
    x = 45,635,432.66/9,163.15
  6. Step 6: Final answer
    x = 4,980.32

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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.