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Finding the Fourth Proportional to 15,010.52, 22,509.09 and 7,989.03

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Solution

The fourth proportional to 15,010.52, 22,509.09 and 7,989.03 is: 11,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.52 : 22,509.09 = 7,989.03 : x
  2. Step 2: Convert to fraction form
    15,010.52/22,509.09 = 7,989.03/x
  3. Step 3: Cross multiply
    15,010.52x = 22,509.09 × 7,989.03
  4. Step 4: Simplify right side
    15,010.52x = 179,825,795.28
  5. Step 5: Solve for x
    x = 179,825,795.28/15,010.52
  6. Step 6: Final answer
    x = 11,979.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.