Home / 13,202.89-19,808.75-4,318.63

Finding the Fourth Proportional to 13,202.89, 19,808.75 and 4,318.63

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Solution

The fourth proportional to 13,202.89, 19,808.75 and 4,318.63 is: 6,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.89 : 19,808.75 = 4,318.63 : x
  2. Step 2: Convert to fraction form
    13,202.89/19,808.75 = 4,318.63/x
  3. Step 3: Cross multiply
    13,202.89x = 19,808.75 × 4,318.63
  4. Step 4: Simplify right side
    13,202.89x = 85,546,662.01
  5. Step 5: Solve for x
    x = 85,546,662.01/13,202.89
  6. Step 6: Final answer
    x = 6,479.39

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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.