Home / 14,094.72-21,144-4,861.44

Finding the Fourth Proportional to 14,094.72, 21,144 and 4,861.44

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Solution

The fourth proportional to 14,094.72, 21,144 and 4,861.44 is: 7,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.72 : 21,144 = 4,861.44 : x
  2. Step 2: Convert to fraction form
    14,094.72/21,144 = 4,861.44/x
  3. Step 3: Cross multiply
    14,094.72x = 21,144 × 4,861.44
  4. Step 4: Simplify right side
    14,094.72x = 102,790,287.36
  5. Step 5: Solve for x
    x = 102,790,287.36/14,094.72
  6. Step 6: Final answer
    x = 7,292.82

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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.