Home / 13,511.94-20,254.05-5,619.03

Finding the Fourth Proportional to 13,511.94, 20,254.05 and 5,619.03

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Solution

The fourth proportional to 13,511.94, 20,254.05 and 5,619.03 is: 8,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.94 : 20,254.05 = 5,619.03 : x
  2. Step 2: Convert to fraction form
    13,511.94/20,254.05 = 5,619.03/x
  3. Step 3: Cross multiply
    13,511.94x = 20,254.05 × 5,619.03
  4. Step 4: Simplify right side
    13,511.94x = 113,808,114.57
  5. Step 5: Solve for x
    x = 113,808,114.57/13,511.94
  6. Step 6: Final answer
    x = 8,422.78

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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.