Home / 13,016.20-19,524.12-8,338.48

Finding the Fourth Proportional to 13,016.20, 19,524.12 and 8,338.48

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Solution

The fourth proportional to 13,016.20, 19,524.12 and 8,338.48 is: 12,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.20 : 19,524.12 = 8,338.48 : x
  2. Step 2: Convert to fraction form
    13,016.20/19,524.12 = 8,338.48/x
  3. Step 3: Cross multiply
    13,016.20x = 19,524.12 × 8,338.48
  4. Step 4: Simplify right side
    13,016.20x = 162,801,484.14
  5. Step 5: Solve for x
    x = 162,801,484.14/13,016.20
  6. Step 6: Final answer
    x = 12,507.60

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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.