Home / 22,401.39-30,912.33-13,326.25

Finding the Fourth Proportional to 22,401.39, 30,912.33 and 13,326.25

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Solution

The fourth proportional to 22,401.39, 30,912.33 and 13,326.25 is: 18,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.39 : 30,912.33 = 13,326.25 : x
  2. Step 2: Convert to fraction form
    22,401.39/30,912.33 = 13,326.25/x
  3. Step 3: Cross multiply
    22,401.39x = 30,912.33 × 13,326.25
  4. Step 4: Simplify right side
    22,401.39x = 411,945,437.66
  5. Step 5: Solve for x
    x = 411,945,437.66/22,401.39
  6. Step 6: Final answer
    x = 18,389.28

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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.