Home / 20,023.04-30,036.16-6,172

Finding the Fourth Proportional to 20,023.04, 30,036.16 and 6,172

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Solution

The fourth proportional to 20,023.04, 30,036.16 and 6,172 is: 9,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.04 : 30,036.16 = 6,172 : x
  2. Step 2: Convert to fraction form
    20,023.04/30,036.16 = 6,172/x
  3. Step 3: Cross multiply
    20,023.04x = 30,036.16 × 6,172
  4. Step 4: Simplify right side
    20,023.04x = 185,383,179.52
  5. Step 5: Solve for x
    x = 185,383,179.52/20,023.04
  6. Step 6: Final answer
    x = 9,258.49

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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.