Home / 15,456.96-23,188.32-5,071.68

Finding the Fourth Proportional to 15,456.96, 23,188.32 and 5,071.68

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Solution

The fourth proportional to 15,456.96, 23,188.32 and 5,071.68 is: 7,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.96 : 23,188.32 = 5,071.68 : x
  2. Step 2: Convert to fraction form
    15,456.96/23,188.32 = 5,071.68/x
  3. Step 3: Cross multiply
    15,456.96x = 23,188.32 × 5,071.68
  4. Step 4: Simplify right side
    15,456.96x = 117,603,738.78
  5. Step 5: Solve for x
    x = 117,603,738.78/15,456.96
  6. Step 6: Final answer
    x = 7,608.46

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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.