Home / 13,213.26-19,822.68-4,445.82

Finding the Fourth Proportional to 13,213.26, 19,822.68 and 4,445.82

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Solution

The fourth proportional to 13,213.26, 19,822.68 and 4,445.82 is: 6,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.26 : 19,822.68 = 4,445.82 : x
  2. Step 2: Convert to fraction form
    13,213.26/19,822.68 = 4,445.82/x
  3. Step 3: Cross multiply
    13,213.26x = 19,822.68 × 4,445.82
  4. Step 4: Simplify right side
    13,213.26x = 88,128,067.20
  5. Step 5: Solve for x
    x = 88,128,067.20/13,213.26
  6. Step 6: Final answer
    x = 6,669.67

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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.