Home / 13,575.48-20,363.72-4,216.44

Finding the Fourth Proportional to 13,575.48, 20,363.72 and 4,216.44

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Solution

The fourth proportional to 13,575.48, 20,363.72 and 4,216.44 is: 6,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.48 : 20,363.72 = 4,216.44 : x
  2. Step 2: Convert to fraction form
    13,575.48/20,363.72 = 4,216.44/x
  3. Step 3: Cross multiply
    13,575.48x = 20,363.72 × 4,216.44
  4. Step 4: Simplify right side
    13,575.48x = 85,862,403.56
  5. Step 5: Solve for x
    x = 85,862,403.56/13,575.48
  6. Step 6: Final answer
    x = 6,324.82

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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.