Home / 22,321.28-30,804.33-13,367.07

Finding the Fourth Proportional to 22,321.28, 30,804.33 and 13,367.07

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Solution

The fourth proportional to 22,321.28, 30,804.33 and 13,367.07 is: 18,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.28 : 30,804.33 = 13,367.07 : x
  2. Step 2: Convert to fraction form
    22,321.28/30,804.33 = 13,367.07/x
  3. Step 3: Cross multiply
    22,321.28x = 30,804.33 × 13,367.07
  4. Step 4: Simplify right side
    22,321.28x = 411,763,635.41
  5. Step 5: Solve for x
    x = 411,763,635.41/22,321.28
  6. Step 6: Final answer
    x = 18,447.13

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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.