Home / 13,241.92-19,865.44-4,478.26

Finding the Fourth Proportional to 13,241.92, 19,865.44 and 4,478.26

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Solution

The fourth proportional to 13,241.92, 19,865.44 and 4,478.26 is: 6,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.92 : 19,865.44 = 4,478.26 : x
  2. Step 2: Convert to fraction form
    13,241.92/19,865.44 = 4,478.26/x
  3. Step 3: Cross multiply
    13,241.92x = 19,865.44 × 4,478.26
  4. Step 4: Simplify right side
    13,241.92x = 88,962,605.33
  5. Step 5: Solve for x
    x = 88,962,605.33/13,241.92
  6. Step 6: Final answer
    x = 6,718.26

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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.