Home / 13,215.42-19,822.50-4,450.68

Finding the Fourth Proportional to 13,215.42, 19,822.50 and 4,450.68

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Solution

The fourth proportional to 13,215.42, 19,822.50 and 4,450.68 is: 6,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.42 : 19,822.50 = 4,450.68 : x
  2. Step 2: Convert to fraction form
    13,215.42/19,822.50 = 4,450.68/x
  3. Step 3: Cross multiply
    13,215.42x = 19,822.50 × 4,450.68
  4. Step 4: Simplify right side
    13,215.42x = 88,223,604.30
  5. Step 5: Solve for x
    x = 88,223,604.30/13,215.42
  6. Step 6: Final answer
    x = 6,675.81

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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.