Home / 11,121.15-15,346.59-6,084.39

Finding the Fourth Proportional to 11,121.15, 15,346.59 and 6,084.39

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Solution

The fourth proportional to 11,121.15, 15,346.59 and 6,084.39 is: 8,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.15 : 15,346.59 = 6,084.39 : x
  2. Step 2: Convert to fraction form
    11,121.15/15,346.59 = 6,084.39/x
  3. Step 3: Cross multiply
    11,121.15x = 15,346.59 × 6,084.39
  4. Step 4: Simplify right side
    11,121.15x = 93,374,638.73
  5. Step 5: Solve for x
    x = 93,374,638.73/11,121.15
  6. Step 6: Final answer
    x = 8,396.13

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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.