Home / 13,853.19-20,791.58-5,539.04

Finding the Fourth Proportional to 13,853.19, 20,791.58 and 5,539.04

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Solution

The fourth proportional to 13,853.19, 20,791.58 and 5,539.04 is: 8,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.19 : 20,791.58 = 5,539.04 : x
  2. Step 2: Convert to fraction form
    13,853.19/20,791.58 = 5,539.04/x
  3. Step 3: Cross multiply
    13,853.19x = 20,791.58 × 5,539.04
  4. Step 4: Simplify right side
    13,853.19x = 115,165,261.63
  5. Step 5: Solve for x
    x = 115,165,261.63/13,853.19
  6. Step 6: Final answer
    x = 8,313.27

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1.5x scale

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.