Home / 13,937.10-20,887.41-12,080.58

Finding the Fourth Proportional to 13,937.10, 20,887.41 and 12,080.58

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Solution

The fourth proportional to 13,937.10, 20,887.41 and 12,080.58 is: 18,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.10 : 20,887.41 = 12,080.58 : x
  2. Step 2: Convert to fraction form
    13,937.10/20,887.41 = 12,080.58/x
  3. Step 3: Cross multiply
    13,937.10x = 20,887.41 × 12,080.58
  4. Step 4: Simplify right side
    13,937.10x = 252,332,027.50
  5. Step 5: Solve for x
    x = 252,332,027.50/13,937.10
  6. Step 6: Final answer
    x = 18,105.06

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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.