Home / 13,876.97-19,150.49-7,589.75

Finding the Fourth Proportional to 13,876.97, 19,150.49 and 7,589.75

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Solution

The fourth proportional to 13,876.97, 19,150.49 and 7,589.75 is: 10,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.97 : 19,150.49 = 7,589.75 : x
  2. Step 2: Convert to fraction form
    13,876.97/19,150.49 = 7,589.75/x
  3. Step 3: Cross multiply
    13,876.97x = 19,150.49 × 7,589.75
  4. Step 4: Simplify right side
    13,876.97x = 145,347,354.70
  5. Step 5: Solve for x
    x = 145,347,354.70/13,876.97
  6. Step 6: Final answer
    x = 10,474.00

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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.