Home / 13,176.24-18,187.83-8,144.31

Finding the Fourth Proportional to 13,176.24, 18,187.83 and 8,144.31

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Solution

The fourth proportional to 13,176.24, 18,187.83 and 8,144.31 is: 11,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.24 : 18,187.83 = 8,144.31 : x
  2. Step 2: Convert to fraction form
    13,176.24/18,187.83 = 8,144.31/x
  3. Step 3: Cross multiply
    13,176.24x = 18,187.83 × 8,144.31
  4. Step 4: Simplify right side
    13,176.24x = 148,127,325.75
  5. Step 5: Solve for x
    x = 148,127,325.75/13,176.24
  6. Step 6: Final answer
    x = 11,242.00

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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.