Home / 12,383.37-17,074.65-9,027.69

Finding the Fourth Proportional to 12,383.37, 17,074.65 and 9,027.69

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Solution

The fourth proportional to 12,383.37, 17,074.65 and 9,027.69 is: 12,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.37 : 17,074.65 = 9,027.69 : x
  2. Step 2: Convert to fraction form
    12,383.37/17,074.65 = 9,027.69/x
  3. Step 3: Cross multiply
    12,383.37x = 17,074.65 × 9,027.69
  4. Step 4: Simplify right side
    12,383.37x = 154,144,647.06
  5. Step 5: Solve for x
    x = 154,144,647.06/12,383.37
  6. Step 6: Final answer
    x = 12,447.71

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Half scale
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Double scale
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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.