Home / 12,040.64-16,618.23-7,261.43

Finding the Fourth Proportional to 12,040.64, 16,618.23 and 7,261.43

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Solution

The fourth proportional to 12,040.64, 16,618.23 and 7,261.43 is: 10,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.64 : 16,618.23 = 7,261.43 : x
  2. Step 2: Convert to fraction form
    12,040.64/16,618.23 = 7,261.43/x
  3. Step 3: Cross multiply
    12,040.64x = 16,618.23 × 7,261.43
  4. Step 4: Simplify right side
    12,040.64x = 120,672,113.87
  5. Step 5: Solve for x
    x = 120,672,113.87/12,040.64
  6. Step 6: Final answer
    x = 10,022.07

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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.