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Finding the Fourth Proportional to 12,055.81, 16,637.62 and 6,750.63

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Solution

The fourth proportional to 12,055.81, 16,637.62 and 6,750.63 is: 9,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.81 : 16,637.62 = 6,750.63 : x
  2. Step 2: Convert to fraction form
    12,055.81/16,637.62 = 6,750.63/x
  3. Step 3: Cross multiply
    12,055.81x = 16,637.62 × 6,750.63
  4. Step 4: Simplify right side
    12,055.81x = 112,314,416.70
  5. Step 5: Solve for x
    x = 112,314,416.70/12,055.81
  6. Step 6: Final answer
    x = 9,316.21

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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.