Home / 13,427.60-20,141.40-5,634.32

Finding the Fourth Proportional to 13,427.60, 20,141.40 and 5,634.32

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Solution

The fourth proportional to 13,427.60, 20,141.40 and 5,634.32 is: 8,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.60 : 20,141.40 = 5,634.32 : x
  2. Step 2: Convert to fraction form
    13,427.60/20,141.40 = 5,634.32/x
  3. Step 3: Cross multiply
    13,427.60x = 20,141.40 × 5,634.32
  4. Step 4: Simplify right side
    13,427.60x = 113,483,092.85
  5. Step 5: Solve for x
    x = 113,483,092.85/13,427.60
  6. Step 6: Final answer
    x = 8,451.48

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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.