Home / 13,937.14-20,887.16-12,079.60

Finding the Fourth Proportional to 13,937.14, 20,887.16 and 12,079.60

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Solution

The fourth proportional to 13,937.14, 20,887.16 and 12,079.60 is: 18,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.14 : 20,887.16 = 12,079.60 : x
  2. Step 2: Convert to fraction form
    13,937.14/20,887.16 = 12,079.60/x
  3. Step 3: Cross multiply
    13,937.14x = 20,887.16 × 12,079.60
  4. Step 4: Simplify right side
    13,937.14x = 252,308,537.94
  5. Step 5: Solve for x
    x = 252,308,537.94/13,937.14
  6. Step 6: Final answer
    x = 18,103.32

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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.