Home / 13,519.14-20,279.78-4,756.02

Finding the Fourth Proportional to 13,519.14, 20,279.78 and 4,756.02

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Solution

The fourth proportional to 13,519.14, 20,279.78 and 4,756.02 is: 7,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.14 : 20,279.78 = 4,756.02 : x
  2. Step 2: Convert to fraction form
    13,519.14/20,279.78 = 4,756.02/x
  3. Step 3: Cross multiply
    13,519.14x = 20,279.78 × 4,756.02
  4. Step 4: Simplify right side
    13,519.14x = 96,451,015.50
  5. Step 5: Solve for x
    x = 96,451,015.50/13,519.14
  6. Step 6: Final answer
    x = 7,134.40

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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.