Home / 11,258.22-15,537.60-8,458.86

Finding the Fourth Proportional to 11,258.22, 15,537.60 and 8,458.86

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Solution

The fourth proportional to 11,258.22, 15,537.60 and 8,458.86 is: 11,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.22 : 15,537.60 = 8,458.86 : x
  2. Step 2: Convert to fraction form
    11,258.22/15,537.60 = 8,458.86/x
  3. Step 3: Cross multiply
    11,258.22x = 15,537.60 × 8,458.86
  4. Step 4: Simplify right side
    11,258.22x = 131,430,383.14
  5. Step 5: Solve for x
    x = 131,430,383.14/11,258.22
  6. Step 6: Final answer
    x = 11,674.17

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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.