Home / 13,160.22-19,739.86-3,299.58

Finding the Fourth Proportional to 13,160.22, 19,739.86 and 3,299.58

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Solution

The fourth proportional to 13,160.22, 19,739.86 and 3,299.58 is: 4,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.22 : 19,739.86 = 3,299.58 : x
  2. Step 2: Convert to fraction form
    13,160.22/19,739.86 = 3,299.58/x
  3. Step 3: Cross multiply
    13,160.22x = 19,739.86 × 3,299.58
  4. Step 4: Simplify right side
    13,160.22x = 65,133,247.26
  5. Step 5: Solve for x
    x = 65,133,247.26/13,160.22
  6. Step 6: Final answer
    x = 4,949.25

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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.