Home / 13,243.37-19,863.83-4,478.36

Finding the Fourth Proportional to 13,243.37, 19,863.83 and 4,478.36

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Solution

The fourth proportional to 13,243.37, 19,863.83 and 4,478.36 is: 6,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.37 : 19,863.83 = 4,478.36 : x
  2. Step 2: Convert to fraction form
    13,243.37/19,863.83 = 4,478.36/x
  3. Step 3: Cross multiply
    13,243.37x = 19,863.83 × 4,478.36
  4. Step 4: Simplify right side
    13,243.37x = 88,957,293.60
  5. Step 5: Solve for x
    x = 88,957,293.60/13,243.37
  6. Step 6: Final answer
    x = 6,717.12

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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.