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Finding the Fourth Proportional to 14,466.76, 21,681.90 and 7,879.24

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Solution

The fourth proportional to 14,466.76, 21,681.90 and 7,879.24 is: 11,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.76 : 21,681.90 = 7,879.24 : x
  2. Step 2: Convert to fraction form
    14,466.76/21,681.90 = 7,879.24/x
  3. Step 3: Cross multiply
    14,466.76x = 21,681.90 × 7,879.24
  4. Step 4: Simplify right side
    14,466.76x = 170,836,893.76
  5. Step 5: Solve for x
    x = 170,836,893.76/14,466.76
  6. Step 6: Final answer
    x = 11,808.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.