Home / 14,429.16-21,650.94-6,643.44

Finding the Fourth Proportional to 14,429.16, 21,650.94 and 6,643.44

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Solution

The fourth proportional to 14,429.16, 21,650.94 and 6,643.44 is: 9,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.16 : 21,650.94 = 6,643.44 : x
  2. Step 2: Convert to fraction form
    14,429.16/21,650.94 = 6,643.44/x
  3. Step 3: Cross multiply
    14,429.16x = 21,650.94 × 6,643.44
  4. Step 4: Simplify right side
    14,429.16x = 143,836,720.83
  5. Step 5: Solve for x
    x = 143,836,720.83/14,429.16
  6. Step 6: Final answer
    x = 9,968.48

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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.