Home / 13,403.34-20,078.19-8,063.57

Finding the Fourth Proportional to 13,403.34, 20,078.19 and 8,063.57

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Solution

The fourth proportional to 13,403.34, 20,078.19 and 8,063.57 is: 12,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.34 : 20,078.19 = 8,063.57 : x
  2. Step 2: Convert to fraction form
    13,403.34/20,078.19 = 8,063.57/x
  3. Step 3: Cross multiply
    13,403.34x = 20,078.19 × 8,063.57
  4. Step 4: Simplify right side
    13,403.34x = 161,901,890.54
  5. Step 5: Solve for x
    x = 161,901,890.54/13,403.34
  6. Step 6: Final answer
    x = 12,079.22

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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.