Home / 22,738.54-34,129.14-13,990.54

Finding the Fourth Proportional to 22,738.54, 34,129.14 and 13,990.54

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Solution

The fourth proportional to 22,738.54, 34,129.14 and 13,990.54 is: 20,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.54 : 34,129.14 = 13,990.54 : x
  2. Step 2: Convert to fraction form
    22,738.54/34,129.14 = 13,990.54/x
  3. Step 3: Cross multiply
    22,738.54x = 34,129.14 × 13,990.54
  4. Step 4: Simplify right side
    22,738.54x = 477,485,098.34
  5. Step 5: Solve for x
    x = 477,485,098.34/22,738.54
  6. Step 6: Final answer
    x = 20,998.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.