Home / 13,694.24-20,541.54-4,809.21

Finding the Fourth Proportional to 13,694.24, 20,541.54 and 4,809.21

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Solution

The fourth proportional to 13,694.24, 20,541.54 and 4,809.21 is: 7,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.24 : 20,541.54 = 4,809.21 : x
  2. Step 2: Convert to fraction form
    13,694.24/20,541.54 = 4,809.21/x
  3. Step 3: Cross multiply
    13,694.24x = 20,541.54 × 4,809.21
  4. Step 4: Simplify right side
    13,694.24x = 98,788,579.58
  5. Step 5: Solve for x
    x = 98,788,579.58/13,694.24
  6. Step 6: Final answer
    x = 7,213.88

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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.