Home / 19,311.28-28,967.43-6,163.64

Finding the Fourth Proportional to 19,311.28, 28,967.43 and 6,163.64

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Solution

The fourth proportional to 19,311.28, 28,967.43 and 6,163.64 is: 9,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.28 : 28,967.43 = 6,163.64 : x
  2. Step 2: Convert to fraction form
    19,311.28/28,967.43 = 6,163.64/x
  3. Step 3: Cross multiply
    19,311.28x = 28,967.43 × 6,163.64
  4. Step 4: Simplify right side
    19,311.28x = 178,544,810.25
  5. Step 5: Solve for x
    x = 178,544,810.25/19,311.28
  6. Step 6: Final answer
    x = 9,245.62

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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.