Home / 11,104.10-15,297.62-7,740.86

Finding the Fourth Proportional to 11,104.10, 15,297.62 and 7,740.86

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Solution

The fourth proportional to 11,104.10, 15,297.62 and 7,740.86 is: 10,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.10 : 15,297.62 = 7,740.86 : x
  2. Step 2: Convert to fraction form
    11,104.10/15,297.62 = 7,740.86/x
  3. Step 3: Cross multiply
    11,104.10x = 15,297.62 × 7,740.86
  4. Step 4: Simplify right side
    11,104.10x = 118,416,734.75
  5. Step 5: Solve for x
    x = 118,416,734.75/11,104.10
  6. Step 6: Final answer
    x = 10,664.24

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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.