Home / 13,079.68-18,051.60-8,362.24

Finding the Fourth Proportional to 13,079.68, 18,051.60 and 8,362.24

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Solution

The fourth proportional to 13,079.68, 18,051.60 and 8,362.24 is: 11,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.68 : 18,051.60 = 8,362.24 : x
  2. Step 2: Convert to fraction form
    13,079.68/18,051.60 = 8,362.24/x
  3. Step 3: Cross multiply
    13,079.68x = 18,051.60 × 8,362.24
  4. Step 4: Simplify right side
    13,079.68x = 150,951,811.58
  5. Step 5: Solve for x
    x = 150,951,811.58/13,079.68
  6. Step 6: Final answer
    x = 11,540.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.