Home / 19,563.90-27,003-12,012.04

Finding the Fourth Proportional to 19,563.90, 27,003 and 12,012.04

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Solution

The fourth proportional to 19,563.90, 27,003 and 12,012.04 is: 16,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.90 : 27,003 = 12,012.04 : x
  2. Step 2: Convert to fraction form
    19,563.90/27,003 = 12,012.04/x
  3. Step 3: Cross multiply
    19,563.90x = 27,003 × 12,012.04
  4. Step 4: Simplify right side
    19,563.90x = 324,361,116.12
  5. Step 5: Solve for x
    x = 324,361,116.12/19,563.90
  6. Step 6: Final answer
    x = 16,579.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.