Home / 20,342.04-30,503.49-7,867.94

Finding the Fourth Proportional to 20,342.04, 30,503.49 and 7,867.94

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Solution

The fourth proportional to 20,342.04, 30,503.49 and 7,867.94 is: 11,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.04 : 30,503.49 = 7,867.94 : x
  2. Step 2: Convert to fraction form
    20,342.04/30,503.49 = 7,867.94/x
  3. Step 3: Cross multiply
    20,342.04x = 30,503.49 × 7,867.94
  4. Step 4: Simplify right side
    20,342.04x = 239,999,447.09
  5. Step 5: Solve for x
    x = 239,999,447.09/20,342.04
  6. Step 6: Final answer
    x = 11,798.20

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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.