Home / 14,283.44-21,416.94-5,517.20

Finding the Fourth Proportional to 14,283.44, 21,416.94 and 5,517.20

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Solution

The fourth proportional to 14,283.44, 21,416.94 and 5,517.20 is: 8,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.44 : 21,416.94 = 5,517.20 : x
  2. Step 2: Convert to fraction form
    14,283.44/21,416.94 = 5,517.20/x
  3. Step 3: Cross multiply
    14,283.44x = 21,416.94 × 5,517.20
  4. Step 4: Simplify right side
    14,283.44x = 118,161,541.37
  5. Step 5: Solve for x
    x = 118,161,541.37/14,283.44
  6. Step 6: Final answer
    x = 8,272.62

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1.5x scale

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.