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Finding the Fourth Proportional to 12,606.88, 17,396 and 7,300.98

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Solution

The fourth proportional to 12,606.88, 17,396 and 7,300.98 is: 10,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.88 : 17,396 = 7,300.98 : x
  2. Step 2: Convert to fraction form
    12,606.88/17,396 = 7,300.98/x
  3. Step 3: Cross multiply
    12,606.88x = 17,396 × 7,300.98
  4. Step 4: Simplify right side
    12,606.88x = 127,007,848.08
  5. Step 5: Solve for x
    x = 127,007,848.08/12,606.88
  6. Step 6: Final answer
    x = 10,074.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.