Home / 22,309.12-30,786.37-12,237.36

Finding the Fourth Proportional to 22,309.12, 30,786.37 and 12,237.36

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Solution

The fourth proportional to 22,309.12, 30,786.37 and 12,237.36 is: 16,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.12 : 30,786.37 = 12,237.36 : x
  2. Step 2: Convert to fraction form
    22,309.12/30,786.37 = 12,237.36/x
  3. Step 3: Cross multiply
    22,309.12x = 30,786.37 × 12,237.36
  4. Step 4: Simplify right side
    22,309.12x = 376,743,892.78
  5. Step 5: Solve for x
    x = 376,743,892.78/22,309.12
  6. Step 6: Final answer
    x = 16,887.44

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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.