Home / 14,619.47-21,930.58-4,089.48

Finding the Fourth Proportional to 14,619.47, 21,930.58 and 4,089.48

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Solution

The fourth proportional to 14,619.47, 21,930.58 and 4,089.48 is: 6,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.47 : 21,930.58 = 4,089.48 : x
  2. Step 2: Convert to fraction form
    14,619.47/21,930.58 = 4,089.48/x
  3. Step 3: Cross multiply
    14,619.47x = 21,930.58 × 4,089.48
  4. Step 4: Simplify right side
    14,619.47x = 89,684,668.30
  5. Step 5: Solve for x
    x = 89,684,668.30/14,619.47
  6. Step 6: Final answer
    x = 6,134.61

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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.