Home / 13,462.43-20,237.38-13,396.82

Finding the Fourth Proportional to 13,462.43, 20,237.38 and 13,396.82

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Solution

The fourth proportional to 13,462.43, 20,237.38 and 13,396.82 is: 20,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.43 : 20,237.38 = 13,396.82 : x
  2. Step 2: Convert to fraction form
    13,462.43/20,237.38 = 13,396.82/x
  3. Step 3: Cross multiply
    13,462.43x = 20,237.38 × 13,396.82
  4. Step 4: Simplify right side
    13,462.43x = 271,116,402.45
  5. Step 5: Solve for x
    x = 271,116,402.45/13,462.43
  6. Step 6: Final answer
    x = 20,138.75

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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.