Home / 13,012.48-19,524.68-5,518.12

Finding the Fourth Proportional to 13,012.48, 19,524.68 and 5,518.12

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Solution

The fourth proportional to 13,012.48, 19,524.68 and 5,518.12 is: 8,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.48 : 19,524.68 = 5,518.12 : x
  2. Step 2: Convert to fraction form
    13,012.48/19,524.68 = 5,518.12/x
  3. Step 3: Cross multiply
    13,012.48x = 19,524.68 × 5,518.12
  4. Step 4: Simplify right side
    13,012.48x = 107,739,527.20
  5. Step 5: Solve for x
    x = 107,739,527.20/13,012.48
  6. Step 6: Final answer
    x = 8,279.71

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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.