Home / 13,508.10-20,263.32-3,647.34

Finding the Fourth Proportional to 13,508.10, 20,263.32 and 3,647.34

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Solution

The fourth proportional to 13,508.10, 20,263.32 and 3,647.34 is: 5,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.10 : 20,263.32 = 3,647.34 : x
  2. Step 2: Convert to fraction form
    13,508.10/20,263.32 = 3,647.34/x
  3. Step 3: Cross multiply
    13,508.10x = 20,263.32 × 3,647.34
  4. Step 4: Simplify right side
    13,508.10x = 73,907,217.57
  5. Step 5: Solve for x
    x = 73,907,217.57/13,508.10
  6. Step 6: Final answer
    x = 5,471.33

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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.