Home / 22,317.33-30,786.30-13,237.41

Finding the Fourth Proportional to 22,317.33, 30,786.30 and 13,237.41

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Solution

The fourth proportional to 22,317.33, 30,786.30 and 13,237.41 is: 18,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.33 : 30,786.30 = 13,237.41 : x
  2. Step 2: Convert to fraction form
    22,317.33/30,786.30 = 13,237.41/x
  3. Step 3: Cross multiply
    22,317.33x = 30,786.30 × 13,237.41
  4. Step 4: Simplify right side
    22,317.33x = 407,530,875.48
  5. Step 5: Solve for x
    x = 407,530,875.48/22,317.33
  6. Step 6: Final answer
    x = 18,260.74

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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.