Home / 13,466.92-18,583.86-7,877.80

Finding the Fourth Proportional to 13,466.92, 18,583.86 and 7,877.80

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Solution

The fourth proportional to 13,466.92, 18,583.86 and 7,877.80 is: 10,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.92 : 18,583.86 = 7,877.80 : x
  2. Step 2: Convert to fraction form
    13,466.92/18,583.86 = 7,877.80/x
  3. Step 3: Cross multiply
    13,466.92x = 18,583.86 × 7,877.80
  4. Step 4: Simplify right side
    13,466.92x = 146,399,932.31
  5. Step 5: Solve for x
    x = 146,399,932.31/13,466.92
  6. Step 6: Final answer
    x = 10,871.08

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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.