Home / 13,285.21-19,935.99-5,494

Finding the Fourth Proportional to 13,285.21, 19,935.99 and 5,494

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Solution

The fourth proportional to 13,285.21, 19,935.99 and 5,494 is: 8,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.21 : 19,935.99 = 5,494 : x
  2. Step 2: Convert to fraction form
    13,285.21/19,935.99 = 5,494/x
  3. Step 3: Cross multiply
    13,285.21x = 19,935.99 × 5,494
  4. Step 4: Simplify right side
    13,285.21x = 109,528,329.06
  5. Step 5: Solve for x
    x = 109,528,329.06/13,285.21
  6. Step 6: Final answer
    x = 8,244.38

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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.