Home / 13,372.83-18,454.26-7,404.48

Finding the Fourth Proportional to 13,372.83, 18,454.26 and 7,404.48

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Solution

The fourth proportional to 13,372.83, 18,454.26 and 7,404.48 is: 10,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.83 : 18,454.26 = 7,404.48 : x
  2. Step 2: Convert to fraction form
    13,372.83/18,454.26 = 7,404.48/x
  3. Step 3: Cross multiply
    13,372.83x = 18,454.26 × 7,404.48
  4. Step 4: Simplify right side
    13,372.83x = 136,644,226.85
  5. Step 5: Solve for x
    x = 136,644,226.85/13,372.83
  6. Step 6: Final answer
    x = 10,218.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.