Home / 15,958.14-22,021.38-9,243.24

Finding the Fourth Proportional to 15,958.14, 22,021.38 and 9,243.24

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Solution

The fourth proportional to 15,958.14, 22,021.38 and 9,243.24 is: 12,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.14 : 22,021.38 = 9,243.24 : x
  2. Step 2: Convert to fraction form
    15,958.14/22,021.38 = 9,243.24/x
  3. Step 3: Cross multiply
    15,958.14x = 22,021.38 × 9,243.24
  4. Step 4: Simplify right side
    15,958.14x = 203,548,900.47
  5. Step 5: Solve for x
    x = 203,548,900.47/15,958.14
  6. Step 6: Final answer
    x = 12,755.18

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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.