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Finding the Fourth Proportional to 16,643.10, 24,964.17 and 6,779.94

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Solution

The fourth proportional to 16,643.10, 24,964.17 and 6,779.94 is: 10,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.10 : 24,964.17 = 6,779.94 : x
  2. Step 2: Convert to fraction form
    16,643.10/24,964.17 = 6,779.94/x
  3. Step 3: Cross multiply
    16,643.10x = 24,964.17 × 6,779.94
  4. Step 4: Simplify right side
    16,643.10x = 169,255,574.75
  5. Step 5: Solve for x
    x = 169,255,574.75/16,643.10
  6. Step 6: Final answer
    x = 10,169.71

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Why These Related Problems?

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