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Finding the Fourth Proportional to 12,506.88, 18,743.78 and 6,571.64

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Solution

The fourth proportional to 12,506.88, 18,743.78 and 6,571.64 is: 9,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.88 : 18,743.78 = 6,571.64 : x
  2. Step 2: Convert to fraction form
    12,506.88/18,743.78 = 6,571.64/x
  3. Step 3: Cross multiply
    12,506.88x = 18,743.78 × 6,571.64
  4. Step 4: Simplify right side
    12,506.88x = 123,177,307.61
  5. Step 5: Solve for x
    x = 123,177,307.61/12,506.88
  6. Step 6: Final answer
    x = 9,848.77

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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.