Home / 9,308.20-13,954.20-5,611.90

Finding the Fourth Proportional to 9,308.20, 13,954.20 and 5,611.90

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Solution

The fourth proportional to 9,308.20, 13,954.20 and 5,611.90 is: 8,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.20 : 13,954.20 = 5,611.90 : x
  2. Step 2: Convert to fraction form
    9,308.20/13,954.20 = 5,611.90/x
  3. Step 3: Cross multiply
    9,308.20x = 13,954.20 × 5,611.90
  4. Step 4: Simplify right side
    9,308.20x = 78,309,574.98
  5. Step 5: Solve for x
    x = 78,309,574.98/9,308.20
  6. Step 6: Final answer
    x = 8,412.97

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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.