Home / 13,979.94-19,289.79-8,010.24

Finding the Fourth Proportional to 13,979.94, 19,289.79 and 8,010.24

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Solution

The fourth proportional to 13,979.94, 19,289.79 and 8,010.24 is: 11,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.94 : 19,289.79 = 8,010.24 : x
  2. Step 2: Convert to fraction form
    13,979.94/19,289.79 = 8,010.24/x
  3. Step 3: Cross multiply
    13,979.94x = 19,289.79 × 8,010.24
  4. Step 4: Simplify right side
    13,979.94x = 154,515,847.45
  5. Step 5: Solve for x
    x = 154,515,847.45/13,979.94
  6. Step 6: Final answer
    x = 11,052.68

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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.