Home / 13,147.76-19,710.12-4,945.52

Finding the Fourth Proportional to 13,147.76, 19,710.12 and 4,945.52

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Solution

The fourth proportional to 13,147.76, 19,710.12 and 4,945.52 is: 7,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.76 : 19,710.12 = 4,945.52 : x
  2. Step 2: Convert to fraction form
    13,147.76/19,710.12 = 4,945.52/x
  3. Step 3: Cross multiply
    13,147.76x = 19,710.12 × 4,945.52
  4. Step 4: Simplify right side
    13,147.76x = 97,476,792.66
  5. Step 5: Solve for x
    x = 97,476,792.66/13,147.76
  6. Step 6: Final answer
    x = 7,413.95

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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.