Home / 13,979.98-19,292.49-7,606.70

Finding the Fourth Proportional to 13,979.98, 19,292.49 and 7,606.70

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Solution

The fourth proportional to 13,979.98, 19,292.49 and 7,606.70 is: 10,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.98 : 19,292.49 = 7,606.70 : x
  2. Step 2: Convert to fraction form
    13,979.98/19,292.49 = 7,606.70/x
  3. Step 3: Cross multiply
    13,979.98x = 19,292.49 × 7,606.70
  4. Step 4: Simplify right side
    13,979.98x = 146,752,183.68
  5. Step 5: Solve for x
    x = 146,752,183.68/13,979.98
  6. Step 6: Final answer
    x = 10,497.31

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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.