Home / 13,826.26-20,738.94-7,589.21

Finding the Fourth Proportional to 13,826.26, 20,738.94 and 7,589.21

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Solution

The fourth proportional to 13,826.26, 20,738.94 and 7,589.21 is: 11,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.26 : 20,738.94 = 7,589.21 : x
  2. Step 2: Convert to fraction form
    13,826.26/20,738.94 = 7,589.21/x
  3. Step 3: Cross multiply
    13,826.26x = 20,738.94 × 7,589.21
  4. Step 4: Simplify right side
    13,826.26x = 157,392,155.34
  5. Step 5: Solve for x
    x = 157,392,155.34/13,826.26
  6. Step 6: Final answer
    x = 11,383.57

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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.