Home / 13,837.84-20,754.53-3,974.87

Finding the Fourth Proportional to 13,837.84, 20,754.53 and 3,974.87

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Solution

The fourth proportional to 13,837.84, 20,754.53 and 3,974.87 is: 5,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.84 : 20,754.53 = 3,974.87 : x
  2. Step 2: Convert to fraction form
    13,837.84/20,754.53 = 3,974.87/x
  3. Step 3: Cross multiply
    13,837.84x = 20,754.53 × 3,974.87
  4. Step 4: Simplify right side
    13,837.84x = 82,496,605.58
  5. Step 5: Solve for x
    x = 82,496,605.58/13,837.84
  6. Step 6: Final answer
    x = 5,961.67

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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.