Home / 14,579.54-21,865.67-4,191.29

Finding the Fourth Proportional to 14,579.54, 21,865.67 and 4,191.29

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Solution

The fourth proportional to 14,579.54, 21,865.67 and 4,191.29 is: 6,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.54 : 21,865.67 = 4,191.29 : x
  2. Step 2: Convert to fraction form
    14,579.54/21,865.67 = 4,191.29/x
  3. Step 3: Cross multiply
    14,579.54x = 21,865.67 × 4,191.29
  4. Step 4: Simplify right side
    14,579.54x = 91,645,397.72
  5. Step 5: Solve for x
    x = 91,645,397.72/14,579.54
  6. Step 6: Final answer
    x = 6,285.89

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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.