Home / 14,146.62-19,542.27-13,399.29

Finding the Fourth Proportional to 14,146.62, 19,542.27 and 13,399.29

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Solution

The fourth proportional to 14,146.62, 19,542.27 and 13,399.29 is: 18,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.62 : 19,542.27 = 13,399.29 : x
  2. Step 2: Convert to fraction form
    14,146.62/19,542.27 = 13,399.29/x
  3. Step 3: Cross multiply
    14,146.62x = 19,542.27 × 13,399.29
  4. Step 4: Simplify right side
    14,146.62x = 261,852,542.99
  5. Step 5: Solve for x
    x = 261,852,542.99/14,146.62
  6. Step 6: Final answer
    x = 18,509.90

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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.