Home / 14,239.92-21,357.36-3,852.48

Finding the Fourth Proportional to 14,239.92, 21,357.36 and 3,852.48

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Solution

The fourth proportional to 14,239.92, 21,357.36 and 3,852.48 is: 5,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.92 : 21,357.36 = 3,852.48 : x
  2. Step 2: Convert to fraction form
    14,239.92/21,357.36 = 3,852.48/x
  3. Step 3: Cross multiply
    14,239.92x = 21,357.36 × 3,852.48
  4. Step 4: Simplify right side
    14,239.92x = 82,278,802.25
  5. Step 5: Solve for x
    x = 82,278,802.25/14,239.92
  6. Step 6: Final answer
    x = 5,778.04

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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.