Home / 12,020.48-18,028.63-3,253.34

Finding the Fourth Proportional to 12,020.48, 18,028.63 and 3,253.34

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Solution

The fourth proportional to 12,020.48, 18,028.63 and 3,253.34 is: 4,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.48 : 18,028.63 = 3,253.34 : x
  2. Step 2: Convert to fraction form
    12,020.48/18,028.63 = 3,253.34/x
  3. Step 3: Cross multiply
    12,020.48x = 18,028.63 × 3,253.34
  4. Step 4: Simplify right side
    12,020.48x = 58,653,263.12
  5. Step 5: Solve for x
    x = 58,653,263.12/12,020.48
  6. Step 6: Final answer
    x = 4,879.44

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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.