Home / 13,586.24-20,379.36-8,968.16

Finding the Fourth Proportional to 13,586.24, 20,379.36 and 8,968.16

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Solution

The fourth proportional to 13,586.24, 20,379.36 and 8,968.16 is: 13,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.24 : 20,379.36 = 8,968.16 : x
  2. Step 2: Convert to fraction form
    13,586.24/20,379.36 = 8,968.16/x
  3. Step 3: Cross multiply
    13,586.24x = 20,379.36 × 8,968.16
  4. Step 4: Simplify right side
    13,586.24x = 182,765,361.18
  5. Step 5: Solve for x
    x = 182,765,361.18/13,586.24
  6. Step 6: Final answer
    x = 13,452.24

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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.