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Finding the Fourth Proportional to 12,415.84, 17,133.14 and 6,750.54

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Solution

The fourth proportional to 12,415.84, 17,133.14 and 6,750.54 is: 9,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.84 : 17,133.14 = 6,750.54 : x
  2. Step 2: Convert to fraction form
    12,415.84/17,133.14 = 6,750.54/x
  3. Step 3: Cross multiply
    12,415.84x = 17,133.14 × 6,750.54
  4. Step 4: Simplify right side
    12,415.84x = 115,657,946.90
  5. Step 5: Solve for x
    x = 115,657,946.90/12,415.84
  6. Step 6: Final answer
    x = 9,315.35

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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.