Home / 13,579.48-20,365.26-4,217.08

Finding the Fourth Proportional to 13,579.48, 20,365.26 and 4,217.08

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Solution

The fourth proportional to 13,579.48, 20,365.26 and 4,217.08 is: 6,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.48 : 20,365.26 = 4,217.08 : x
  2. Step 2: Convert to fraction form
    13,579.48/20,365.26 = 4,217.08/x
  3. Step 3: Cross multiply
    13,579.48x = 20,365.26 × 4,217.08
  4. Step 4: Simplify right side
    13,579.48x = 85,881,930.64
  5. Step 5: Solve for x
    x = 85,881,930.64/13,579.48
  6. Step 6: Final answer
    x = 6,324.39

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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.