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Finding the Fourth Proportional to 12,415.68, 17,133.33 and 6,750.36

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Solution

The fourth proportional to 12,415.68, 17,133.33 and 6,750.36 is: 9,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.68 : 17,133.33 = 6,750.36 : x
  2. Step 2: Convert to fraction form
    12,415.68/17,133.33 = 6,750.36/x
  3. Step 3: Cross multiply
    12,415.68x = 17,133.33 × 6,750.36
  4. Step 4: Simplify right side
    12,415.68x = 115,656,145.50
  5. Step 5: Solve for x
    x = 115,656,145.50/12,415.68
  6. Step 6: Final answer
    x = 9,315.33

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