Home / 21,860.69-32,790.99-9,372.62

Finding the Fourth Proportional to 21,860.69, 32,790.99 and 9,372.62

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Solution

The fourth proportional to 21,860.69, 32,790.99 and 9,372.62 is: 14,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.69 : 32,790.99 = 9,372.62 : x
  2. Step 2: Convert to fraction form
    21,860.69/32,790.99 = 9,372.62/x
  3. Step 3: Cross multiply
    21,860.69x = 32,790.99 × 9,372.62
  4. Step 4: Simplify right side
    21,860.69x = 307,337,488.69
  5. Step 5: Solve for x
    x = 307,337,488.69/21,860.69
  6. Step 6: Final answer
    x = 14,058.91

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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.