Home / 11,258.40-16,884.42-4,237.86

Finding the Fourth Proportional to 11,258.40, 16,884.42 and 4,237.86

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Solution

The fourth proportional to 11,258.40, 16,884.42 and 4,237.86 is: 6,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.40 : 16,884.42 = 4,237.86 : x
  2. Step 2: Convert to fraction form
    11,258.40/16,884.42 = 4,237.86/x
  3. Step 3: Cross multiply
    11,258.40x = 16,884.42 × 4,237.86
  4. Step 4: Simplify right side
    11,258.40x = 71,553,808.14
  5. Step 5: Solve for x
    x = 71,553,808.14/11,258.40
  6. Step 6: Final answer
    x = 6,355.59

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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.