Home / 13,557.24-20,328.31-4,194.60

Finding the Fourth Proportional to 13,557.24, 20,328.31 and 4,194.60

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Solution

The fourth proportional to 13,557.24, 20,328.31 and 4,194.60 is: 6,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.24 : 20,328.31 = 4,194.60 : x
  2. Step 2: Convert to fraction form
    13,557.24/20,328.31 = 4,194.60/x
  3. Step 3: Cross multiply
    13,557.24x = 20,328.31 × 4,194.60
  4. Step 4: Simplify right side
    13,557.24x = 85,269,073.06
  5. Step 5: Solve for x
    x = 85,269,073.06/13,557.24
  6. Step 6: Final answer
    x = 6,289.56

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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.