Home / 14,073.88-19,420.26-8,107.49

Finding the Fourth Proportional to 14,073.88, 19,420.26 and 8,107.49

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Solution

The fourth proportional to 14,073.88, 19,420.26 and 8,107.49 is: 11,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.88 : 19,420.26 = 8,107.49 : x
  2. Step 2: Convert to fraction form
    14,073.88/19,420.26 = 8,107.49/x
  3. Step 3: Cross multiply
    14,073.88x = 19,420.26 × 8,107.49
  4. Step 4: Simplify right side
    14,073.88x = 157,449,563.75
  5. Step 5: Solve for x
    x = 157,449,563.75/14,073.88
  6. Step 6: Final answer
    x = 11,187.36

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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.