Home / 22,360.98-30,850.34-13,411.38

Finding the Fourth Proportional to 22,360.98, 30,850.34 and 13,411.38

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Solution

The fourth proportional to 22,360.98, 30,850.34 and 13,411.38 is: 18,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.98 : 30,850.34 = 13,411.38 : x
  2. Step 2: Convert to fraction form
    22,360.98/30,850.34 = 13,411.38/x
  3. Step 3: Cross multiply
    22,360.98x = 30,850.34 × 13,411.38
  4. Step 4: Simplify right side
    22,360.98x = 413,745,632.87
  5. Step 5: Solve for x
    x = 413,745,632.87/22,360.98
  6. Step 6: Final answer
    x = 18,503.02

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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.