Home / 19,316.44-28,956.16-6,160.29

Finding the Fourth Proportional to 19,316.44, 28,956.16 and 6,160.29

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Solution

The fourth proportional to 19,316.44, 28,956.16 and 6,160.29 is: 9,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.44 : 28,956.16 = 6,160.29 : x
  2. Step 2: Convert to fraction form
    19,316.44/28,956.16 = 6,160.29/x
  3. Step 3: Cross multiply
    19,316.44x = 28,956.16 × 6,160.29
  4. Step 4: Simplify right side
    19,316.44x = 178,378,342.89
  5. Step 5: Solve for x
    x = 178,378,342.89/19,316.44
  6. Step 6: Final answer
    x = 9,234.54

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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.