Home / 14,469.86-21,689.99-9,790.36

Finding the Fourth Proportional to 14,469.86, 21,689.99 and 9,790.36

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Solution

The fourth proportional to 14,469.86, 21,689.99 and 9,790.36 is: 14,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.86 : 21,689.99 = 9,790.36 : x
  2. Step 2: Convert to fraction form
    14,469.86/21,689.99 = 9,790.36/x
  3. Step 3: Cross multiply
    14,469.86x = 21,689.99 × 9,790.36
  4. Step 4: Simplify right side
    14,469.86x = 212,352,930.96
  5. Step 5: Solve for x
    x = 212,352,930.96/14,469.86
  6. Step 6: Final answer
    x = 14,675.53

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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.