Home / 18,327.52-27,454.64-8,453.28

Finding the Fourth Proportional to 18,327.52, 27,454.64 and 8,453.28

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Solution

The fourth proportional to 18,327.52, 27,454.64 and 8,453.28 is: 12,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.52 : 27,454.64 = 8,453.28 : x
  2. Step 2: Convert to fraction form
    18,327.52/27,454.64 = 8,453.28/x
  3. Step 3: Cross multiply
    18,327.52x = 27,454.64 × 8,453.28
  4. Step 4: Simplify right side
    18,327.52x = 232,081,759.22
  5. Step 5: Solve for x
    x = 232,081,759.22/18,327.52
  6. Step 6: Final answer
    x = 12,663.02

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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.