Home / 9,439.56-13,025.44-5,189.92

Finding the Fourth Proportional to 9,439.56, 13,025.44 and 5,189.92

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Solution

The fourth proportional to 9,439.56, 13,025.44 and 5,189.92 is: 7,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.56 : 13,025.44 = 5,189.92 : x
  2. Step 2: Convert to fraction form
    9,439.56/13,025.44 = 5,189.92/x
  3. Step 3: Cross multiply
    9,439.56x = 13,025.44 × 5,189.92
  4. Step 4: Simplify right side
    9,439.56x = 67,600,991.56
  5. Step 5: Solve for x
    x = 67,600,991.56/9,439.56
  6. Step 6: Final answer
    x = 7,161.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.