Home / 13,450.84-20,150.26-6,530.20

Finding the Fourth Proportional to 13,450.84, 20,150.26 and 6,530.20

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Solution

The fourth proportional to 13,450.84, 20,150.26 and 6,530.20 is: 9,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.84 : 20,150.26 = 6,530.20 : x
  2. Step 2: Convert to fraction form
    13,450.84/20,150.26 = 6,530.20/x
  3. Step 3: Cross multiply
    13,450.84x = 20,150.26 × 6,530.20
  4. Step 4: Simplify right side
    13,450.84x = 131,585,227.85
  5. Step 5: Solve for x
    x = 131,585,227.85/13,450.84
  6. Step 6: Final answer
    x = 9,782.68

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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.