Home / 14,644.65-21,951.47-4,781.28

Finding the Fourth Proportional to 14,644.65, 21,951.47 and 4,781.28

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Solution

The fourth proportional to 14,644.65, 21,951.47 and 4,781.28 is: 7,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.65 : 21,951.47 = 4,781.28 : x
  2. Step 2: Convert to fraction form
    14,644.65/21,951.47 = 4,781.28/x
  3. Step 3: Cross multiply
    14,644.65x = 21,951.47 × 4,781.28
  4. Step 4: Simplify right side
    14,644.65x = 104,956,100.58
  5. Step 5: Solve for x
    x = 104,956,100.58/14,644.65
  6. Step 6: Final answer
    x = 7,166.86

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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.