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Finding the Fourth Proportional to 16,430.72, 24,639.59 and 7,071.44

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Solution

The fourth proportional to 16,430.72, 24,639.59 and 7,071.44 is: 10,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.72 : 24,639.59 = 7,071.44 : x
  2. Step 2: Convert to fraction form
    16,430.72/24,639.59 = 7,071.44/x
  3. Step 3: Cross multiply
    16,430.72x = 24,639.59 × 7,071.44
  4. Step 4: Simplify right side
    16,430.72x = 174,237,276.79
  5. Step 5: Solve for x
    x = 174,237,276.79/16,430.72
  6. Step 6: Final answer
    x = 10,604.36

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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.