Home / 13,852.22-20,763.96-6,450.59

Finding the Fourth Proportional to 13,852.22, 20,763.96 and 6,450.59

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Solution

The fourth proportional to 13,852.22, 20,763.96 and 6,450.59 is: 9,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.22 : 20,763.96 = 6,450.59 : x
  2. Step 2: Convert to fraction form
    13,852.22/20,763.96 = 6,450.59/x
  3. Step 3: Cross multiply
    13,852.22x = 20,763.96 × 6,450.59
  4. Step 4: Simplify right side
    13,852.22x = 133,939,688.92
  5. Step 5: Solve for x
    x = 133,939,688.92/13,852.22
  6. Step 6: Final answer
    x = 9,669.19

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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.