Home / 16,890.75-25,339.49-5,203.47

Finding the Fourth Proportional to 16,890.75, 25,339.49 and 5,203.47

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Solution

The fourth proportional to 16,890.75, 25,339.49 and 5,203.47 is: 7,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.75 : 25,339.49 = 5,203.47 : x
  2. Step 2: Convert to fraction form
    16,890.75/25,339.49 = 5,203.47/x
  3. Step 3: Cross multiply
    16,890.75x = 25,339.49 × 5,203.47
  4. Step 4: Simplify right side
    16,890.75x = 131,853,250.01
  5. Step 5: Solve for x
    x = 131,853,250.01/16,890.75
  6. Step 6: Final answer
    x = 7,806.24

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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.