Home / 13,673.43-20,495.57-5,774.31

Finding the Fourth Proportional to 13,673.43, 20,495.57 and 5,774.31

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Solution

The fourth proportional to 13,673.43, 20,495.57 and 5,774.31 is: 8,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.43 : 20,495.57 = 5,774.31 : x
  2. Step 2: Convert to fraction form
    13,673.43/20,495.57 = 5,774.31/x
  3. Step 3: Cross multiply
    13,673.43x = 20,495.57 × 5,774.31
  4. Step 4: Simplify right side
    13,673.43x = 118,347,745.94
  5. Step 5: Solve for x
    x = 118,347,745.94/13,673.43
  6. Step 6: Final answer
    x = 8,655.31

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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.