Home / 9,384.60-14,067.30-5,218.20

Finding the Fourth Proportional to 9,384.60, 14,067.30 and 5,218.20

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Solution

The fourth proportional to 9,384.60, 14,067.30 and 5,218.20 is: 7,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.60 : 14,067.30 = 5,218.20 : x
  2. Step 2: Convert to fraction form
    9,384.60/14,067.30 = 5,218.20/x
  3. Step 3: Cross multiply
    9,384.60x = 14,067.30 × 5,218.20
  4. Step 4: Simplify right side
    9,384.60x = 73,405,984.86
  5. Step 5: Solve for x
    x = 73,405,984.86/9,384.60
  6. Step 6: Final answer
    x = 7,821.96

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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.