Home / 13,508.37-20,269.24-9,116.15

Finding the Fourth Proportional to 13,508.37, 20,269.24 and 9,116.15

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Solution

The fourth proportional to 13,508.37, 20,269.24 and 9,116.15 is: 13,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.37 : 20,269.24 = 9,116.15 : x
  2. Step 2: Convert to fraction form
    13,508.37/20,269.24 = 9,116.15/x
  3. Step 3: Cross multiply
    13,508.37x = 20,269.24 × 9,116.15
  4. Step 4: Simplify right side
    13,508.37x = 184,777,308.09
  5. Step 5: Solve for x
    x = 184,777,308.09/13,508.37
  6. Step 6: Final answer
    x = 13,678.73

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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.