Home / 12,148.04-18,222.80-3,828.33

Finding the Fourth Proportional to 12,148.04, 18,222.80 and 3,828.33

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Solution

The fourth proportional to 12,148.04, 18,222.80 and 3,828.33 is: 5,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.04 : 18,222.80 = 3,828.33 : x
  2. Step 2: Convert to fraction form
    12,148.04/18,222.80 = 3,828.33/x
  3. Step 3: Cross multiply
    12,148.04x = 18,222.80 × 3,828.33
  4. Step 4: Simplify right side
    12,148.04x = 69,762,891.92
  5. Step 5: Solve for x
    x = 69,762,891.92/12,148.04
  6. Step 6: Final answer
    x = 5,742.73

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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.