Home / 19,094.16-28,609.60-7,400.96

Finding the Fourth Proportional to 19,094.16, 28,609.60 and 7,400.96

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Solution

The fourth proportional to 19,094.16, 28,609.60 and 7,400.96 is: 11,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.16 : 28,609.60 = 7,400.96 : x
  2. Step 2: Convert to fraction form
    19,094.16/28,609.60 = 7,400.96/x
  3. Step 3: Cross multiply
    19,094.16x = 28,609.60 × 7,400.96
  4. Step 4: Simplify right side
    19,094.16x = 211,738,505.22
  5. Step 5: Solve for x
    x = 211,738,505.22/19,094.16
  6. Step 6: Final answer
    x = 11,089.18

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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.