Home / 22,309.24-30,786.80-12,237.76

Finding the Fourth Proportional to 22,309.24, 30,786.80 and 12,237.76

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Solution

The fourth proportional to 22,309.24, 30,786.80 and 12,237.76 is: 16,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.24 : 30,786.80 = 12,237.76 : x
  2. Step 2: Convert to fraction form
    22,309.24/30,786.80 = 12,237.76/x
  3. Step 3: Cross multiply
    22,309.24x = 30,786.80 × 12,237.76
  4. Step 4: Simplify right side
    22,309.24x = 376,761,469.57
  5. Step 5: Solve for x
    x = 376,761,469.57/22,309.24
  6. Step 6: Final answer
    x = 16,888.14

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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.