Home / 13,179.53-19,769.39-4,415.13

Finding the Fourth Proportional to 13,179.53, 19,769.39 and 4,415.13

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Solution

The fourth proportional to 13,179.53, 19,769.39 and 4,415.13 is: 6,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.53 : 19,769.39 = 4,415.13 : x
  2. Step 2: Convert to fraction form
    13,179.53/19,769.39 = 4,415.13/x
  3. Step 3: Cross multiply
    13,179.53x = 19,769.39 × 4,415.13
  4. Step 4: Simplify right side
    13,179.53x = 87,284,426.87
  5. Step 5: Solve for x
    x = 87,284,426.87/13,179.53
  6. Step 6: Final answer
    x = 6,622.73

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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.