Home / 16,739.64-25,114.08-13,611.90

Finding the Fourth Proportional to 16,739.64, 25,114.08 and 13,611.90

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Solution

The fourth proportional to 16,739.64, 25,114.08 and 13,611.90 is: 20,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.64 : 25,114.08 = 13,611.90 : x
  2. Step 2: Convert to fraction form
    16,739.64/25,114.08 = 13,611.90/x
  3. Step 3: Cross multiply
    16,739.64x = 25,114.08 × 13,611.90
  4. Step 4: Simplify right side
    16,739.64x = 341,850,345.55
  5. Step 5: Solve for x
    x = 341,850,345.55/16,739.64
  6. Step 6: Final answer
    x = 20,421.61

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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.