Home / 13,452.24-20,147.04-12,985.05

Finding the Fourth Proportional to 13,452.24, 20,147.04 and 12,985.05

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Solution

The fourth proportional to 13,452.24, 20,147.04 and 12,985.05 is: 19,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.24 : 20,147.04 = 12,985.05 : x
  2. Step 2: Convert to fraction form
    13,452.24/20,147.04 = 12,985.05/x
  3. Step 3: Cross multiply
    13,452.24x = 20,147.04 × 12,985.05
  4. Step 4: Simplify right side
    13,452.24x = 261,610,321.75
  5. Step 5: Solve for x
    x = 261,610,321.75/13,452.24
  6. Step 6: Final answer
    x = 19,447.34

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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.