Home / 13,694.44-20,539.88-4,335.40

Finding the Fourth Proportional to 13,694.44, 20,539.88 and 4,335.40

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Solution

The fourth proportional to 13,694.44, 20,539.88 and 4,335.40 is: 6,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.44 : 20,539.88 = 4,335.40 : x
  2. Step 2: Convert to fraction form
    13,694.44/20,539.88 = 4,335.40/x
  3. Step 3: Cross multiply
    13,694.44x = 20,539.88 × 4,335.40
  4. Step 4: Simplify right side
    13,694.44x = 89,048,595.75
  5. Step 5: Solve for x
    x = 89,048,595.75/13,694.44
  6. Step 6: Final answer
    x = 6,502.54

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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.