Home / 14,450.34-21,675.56-3,920.43

Finding the Fourth Proportional to 14,450.34, 21,675.56 and 3,920.43

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Solution

The fourth proportional to 14,450.34, 21,675.56 and 3,920.43 is: 5,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.34 : 21,675.56 = 3,920.43 : x
  2. Step 2: Convert to fraction form
    14,450.34/21,675.56 = 3,920.43/x
  3. Step 3: Cross multiply
    14,450.34x = 21,675.56 × 3,920.43
  4. Step 4: Simplify right side
    14,450.34x = 84,977,496.09
  5. Step 5: Solve for x
    x = 84,977,496.09/14,450.34
  6. Step 6: Final answer
    x = 5,880.66

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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.