Home / 13,243.92-19,856.26-6,220.32

Finding the Fourth Proportional to 13,243.92, 19,856.26 and 6,220.32

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Solution

The fourth proportional to 13,243.92, 19,856.26 and 6,220.32 is: 9,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.92 : 19,856.26 = 6,220.32 : x
  2. Step 2: Convert to fraction form
    13,243.92/19,856.26 = 6,220.32/x
  3. Step 3: Cross multiply
    13,243.92x = 19,856.26 × 6,220.32
  4. Step 4: Simplify right side
    13,243.92x = 123,512,291.20
  5. Step 5: Solve for x
    x = 123,512,291.20/13,243.92
  6. Step 6: Final answer
    x = 9,325.96

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Similar ratio
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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.