Home / 11,258.40-15,537.60-6,223.80

Finding the Fourth Proportional to 11,258.40, 15,537.60 and 6,223.80

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Solution

The fourth proportional to 11,258.40, 15,537.60 and 6,223.80 is: 8,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.40 : 15,537.60 = 6,223.80 : x
  2. Step 2: Convert to fraction form
    11,258.40/15,537.60 = 6,223.80/x
  3. Step 3: Cross multiply
    11,258.40x = 15,537.60 × 6,223.80
  4. Step 4: Simplify right side
    11,258.40x = 96,702,914.88
  5. Step 5: Solve for x
    x = 96,702,914.88/11,258.40
  6. Step 6: Final answer
    x = 8,589.40

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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.