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Finding the Fourth Proportional to 12,090.41, 16,685.61 and 6,713.12

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Solution

The fourth proportional to 12,090.41, 16,685.61 and 6,713.12 is: 9,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.41 : 16,685.61 = 6,713.12 : x
  2. Step 2: Convert to fraction form
    12,090.41/16,685.61 = 6,713.12/x
  3. Step 3: Cross multiply
    12,090.41x = 16,685.61 × 6,713.12
  4. Step 4: Simplify right side
    12,090.41x = 112,012,502.20
  5. Step 5: Solve for x
    x = 112,012,502.20/12,090.41
  6. Step 6: Final answer
    x = 9,264.57

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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.