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Finding the Fourth Proportional to 14,726.80, 22,046.80 and 9,719.94

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Solution

The fourth proportional to 14,726.80, 22,046.80 and 9,719.94 is: 14,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.80 : 22,046.80 = 9,719.94 : x
  2. Step 2: Convert to fraction form
    14,726.80/22,046.80 = 9,719.94/x
  3. Step 3: Cross multiply
    14,726.80x = 22,046.80 × 9,719.94
  4. Step 4: Simplify right side
    14,726.80x = 214,293,573.19
  5. Step 5: Solve for x
    x = 214,293,573.19/14,726.80
  6. Step 6: Final answer
    x = 14,551.27

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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.