Home / 13,466.24-18,588.48-7,879.04

Finding the Fourth Proportional to 13,466.24, 18,588.48 and 7,879.04

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Solution

The fourth proportional to 13,466.24, 18,588.48 and 7,879.04 is: 10,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.24 : 18,588.48 = 7,879.04 : x
  2. Step 2: Convert to fraction form
    13,466.24/18,588.48 = 7,879.04/x
  3. Step 3: Cross multiply
    13,466.24x = 18,588.48 × 7,879.04
  4. Step 4: Simplify right side
    13,466.24x = 146,459,377.46
  5. Step 5: Solve for x
    x = 146,459,377.46/13,466.24
  6. Step 6: Final answer
    x = 10,876.04

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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.