Home / 11,416.16-15,755.84-6,704.48

Finding the Fourth Proportional to 11,416.16, 15,755.84 and 6,704.48

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Solution

The fourth proportional to 11,416.16, 15,755.84 and 6,704.48 is: 9,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.16 : 15,755.84 = 6,704.48 : x
  2. Step 2: Convert to fraction form
    11,416.16/15,755.84 = 6,704.48/x
  3. Step 3: Cross multiply
    11,416.16x = 15,755.84 × 6,704.48
  4. Step 4: Simplify right side
    11,416.16x = 105,634,714.16
  5. Step 5: Solve for x
    x = 105,634,714.16/11,416.16
  6. Step 6: Final answer
    x = 9,253.09

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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.