Home / 18,772.74-28,163.16-5,626.26

Finding the Fourth Proportional to 18,772.74, 28,163.16 and 5,626.26

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Solution

The fourth proportional to 18,772.74, 28,163.16 and 5,626.26 is: 8,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.74 : 28,163.16 = 5,626.26 : x
  2. Step 2: Convert to fraction form
    18,772.74/28,163.16 = 5,626.26/x
  3. Step 3: Cross multiply
    18,772.74x = 28,163.16 × 5,626.26
  4. Step 4: Simplify right side
    18,772.74x = 158,453,260.58
  5. Step 5: Solve for x
    x = 158,453,260.58/18,772.74
  6. Step 6: Final answer
    x = 8,440.60

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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.