Home / 11,413.24-17,112.52-4,754.35

Finding the Fourth Proportional to 11,413.24, 17,112.52 and 4,754.35

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Solution

The fourth proportional to 11,413.24, 17,112.52 and 4,754.35 is: 7,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.24 : 17,112.52 = 4,754.35 : x
  2. Step 2: Convert to fraction form
    11,413.24/17,112.52 = 4,754.35/x
  3. Step 3: Cross multiply
    11,413.24x = 17,112.52 × 4,754.35
  4. Step 4: Simplify right side
    11,413.24x = 81,358,909.46
  5. Step 5: Solve for x
    x = 81,358,909.46/11,413.24
  6. Step 6: Final answer
    x = 7,128.47

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1.5x scale

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.