Home / 14,789.72-22,184.93-4,929.80

Finding the Fourth Proportional to 14,789.72, 22,184.93 and 4,929.80

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Solution

The fourth proportional to 14,789.72, 22,184.93 and 4,929.80 is: 7,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.72 : 22,184.93 = 4,929.80 : x
  2. Step 2: Convert to fraction form
    14,789.72/22,184.93 = 4,929.80/x
  3. Step 3: Cross multiply
    14,789.72x = 22,184.93 × 4,929.80
  4. Step 4: Simplify right side
    14,789.72x = 109,367,243.27
  5. Step 5: Solve for x
    x = 109,367,243.27/14,789.72
  6. Step 6: Final answer
    x = 7,394.81

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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.