Home / 14,112.72-19,391.22-13,202.64

Finding the Fourth Proportional to 14,112.72, 19,391.22 and 13,202.64

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Solution

The fourth proportional to 14,112.72, 19,391.22 and 13,202.64 is: 18,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.72 : 19,391.22 = 13,202.64 : x
  2. Step 2: Convert to fraction form
    14,112.72/19,391.22 = 13,202.64/x
  3. Step 3: Cross multiply
    14,112.72x = 19,391.22 × 13,202.64
  4. Step 4: Simplify right side
    14,112.72x = 256,015,296.82
  5. Step 5: Solve for x
    x = 256,015,296.82/14,112.72
  6. Step 6: Final answer
    x = 18,140.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.