Home / 13,052.22-18,014.04-8,339.64

Finding the Fourth Proportional to 13,052.22, 18,014.04 and 8,339.64

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Solution

The fourth proportional to 13,052.22, 18,014.04 and 8,339.64 is: 11,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.22 : 18,014.04 = 8,339.64 : x
  2. Step 2: Convert to fraction form
    13,052.22/18,014.04 = 8,339.64/x
  3. Step 3: Cross multiply
    13,052.22x = 18,014.04 × 8,339.64
  4. Step 4: Simplify right side
    13,052.22x = 150,230,608.55
  5. Step 5: Solve for x
    x = 150,230,608.55/13,052.22
  6. Step 6: Final answer
    x = 11,509.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.