Home / 19,317.58-28,975.82-6,170.74

Finding the Fourth Proportional to 19,317.58, 28,975.82 and 6,170.74

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Solution

The fourth proportional to 19,317.58, 28,975.82 and 6,170.74 is: 9,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.58 : 28,975.82 = 6,170.74 : x
  2. Step 2: Convert to fraction form
    19,317.58/28,975.82 = 6,170.74/x
  3. Step 3: Cross multiply
    19,317.58x = 28,975.82 × 6,170.74
  4. Step 4: Simplify right side
    19,317.58x = 178,802,148.21
  5. Step 5: Solve for x
    x = 178,802,148.21/19,317.58
  6. Step 6: Final answer
    x = 9,255.93

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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.