Home / 13,744.98-20,619.90-4,387.04

Finding the Fourth Proportional to 13,744.98, 20,619.90 and 4,387.04

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Solution

The fourth proportional to 13,744.98, 20,619.90 and 4,387.04 is: 6,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.98 : 20,619.90 = 4,387.04 : x
  2. Step 2: Convert to fraction form
    13,744.98/20,619.90 = 4,387.04/x
  3. Step 3: Cross multiply
    13,744.98x = 20,619.90 × 4,387.04
  4. Step 4: Simplify right side
    13,744.98x = 90,460,326.10
  5. Step 5: Solve for x
    x = 90,460,326.10/13,744.98
  6. Step 6: Final answer
    x = 6,581.34

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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.