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Finding the Fourth Proportional to 14,544.78, 21,817.02 and 6,217.74

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Solution

The fourth proportional to 14,544.78, 21,817.02 and 6,217.74 is: 9,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.78 : 21,817.02 = 6,217.74 : x
  2. Step 2: Convert to fraction form
    14,544.78/21,817.02 = 6,217.74/x
  3. Step 3: Cross multiply
    14,544.78x = 21,817.02 × 6,217.74
  4. Step 4: Simplify right side
    14,544.78x = 135,652,557.93
  5. Step 5: Solve for x
    x = 135,652,557.93/14,544.78
  6. Step 6: Final answer
    x = 9,326.55

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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.