Home / 12,563.26-18,845.52-4,772.68

Finding the Fourth Proportional to 12,563.26, 18,845.52 and 4,772.68

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Solution

The fourth proportional to 12,563.26, 18,845.52 and 4,772.68 is: 7,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.26 : 18,845.52 = 4,772.68 : x
  2. Step 2: Convert to fraction form
    12,563.26/18,845.52 = 4,772.68/x
  3. Step 3: Cross multiply
    12,563.26x = 18,845.52 × 4,772.68
  4. Step 4: Simplify right side
    12,563.26x = 89,943,636.39
  5. Step 5: Solve for x
    x = 89,943,636.39/12,563.26
  6. Step 6: Final answer
    x = 7,159.26

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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.