Home / 13,202.55-19,805.90-4,435.47

Finding the Fourth Proportional to 13,202.55, 19,805.90 and 4,435.47

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Solution

The fourth proportional to 13,202.55, 19,805.90 and 4,435.47 is: 6,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.55 : 19,805.90 = 4,435.47 : x
  2. Step 2: Convert to fraction form
    13,202.55/19,805.90 = 4,435.47/x
  3. Step 3: Cross multiply
    13,202.55x = 19,805.90 × 4,435.47
  4. Step 4: Simplify right side
    13,202.55x = 87,848,453.10
  5. Step 5: Solve for x
    x = 87,848,453.10/13,202.55
  6. Step 6: Final answer
    x = 6,653.90

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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.