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Finding the Fourth Proportional to 19,223.93, 28,822.28 and 8,544.44

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Solution

The fourth proportional to 19,223.93, 28,822.28 and 8,544.44 is: 12,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.93 : 28,822.28 = 8,544.44 : x
  2. Step 2: Convert to fraction form
    19,223.93/28,822.28 = 8,544.44/x
  3. Step 3: Cross multiply
    19,223.93x = 28,822.28 × 8,544.44
  4. Step 4: Simplify right side
    19,223.93x = 246,270,157.39
  5. Step 5: Solve for x
    x = 246,270,157.39/19,223.93
  6. Step 6: Final answer
    x = 12,810.60

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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.