Home / 11,128.44-16,695.74-5,575.08

Finding the Fourth Proportional to 11,128.44, 16,695.74 and 5,575.08

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Solution

The fourth proportional to 11,128.44, 16,695.74 and 5,575.08 is: 8,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.44 : 16,695.74 = 5,575.08 : x
  2. Step 2: Convert to fraction form
    11,128.44/16,695.74 = 5,575.08/x
  3. Step 3: Cross multiply
    11,128.44x = 16,695.74 × 5,575.08
  4. Step 4: Simplify right side
    11,128.44x = 93,080,086.16
  5. Step 5: Solve for x
    x = 93,080,086.16/11,128.44
  6. Step 6: Final answer
    x = 8,364.16

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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.