Home / 20,207.03-30,287.86-6,867.56

Finding the Fourth Proportional to 20,207.03, 30,287.86 and 6,867.56

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Solution

The fourth proportional to 20,207.03, 30,287.86 and 6,867.56 is: 10,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.03 : 30,287.86 = 6,867.56 : x
  2. Step 2: Convert to fraction form
    20,207.03/30,287.86 = 6,867.56/x
  3. Step 3: Cross multiply
    20,207.03x = 30,287.86 × 6,867.56
  4. Step 4: Simplify right side
    20,207.03x = 208,003,809.32
  5. Step 5: Solve for x
    x = 208,003,809.32/20,207.03
  6. Step 6: Final answer
    x = 10,293.64

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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.