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Finding the Fourth Proportional to 11,743.03, 17,603.25 and 4,345.48

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Solution

The fourth proportional to 11,743.03, 17,603.25 and 4,345.48 is: 6,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.03 : 17,603.25 = 4,345.48 : x
  2. Step 2: Convert to fraction form
    11,743.03/17,603.25 = 4,345.48/x
  3. Step 3: Cross multiply
    11,743.03x = 17,603.25 × 4,345.48
  4. Step 4: Simplify right side
    11,743.03x = 76,494,570.81
  5. Step 5: Solve for x
    x = 76,494,570.81/11,743.03
  6. Step 6: Final answer
    x = 6,514.04

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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.