Home / 20,413.37-30,632.40-7,264.76

Finding the Fourth Proportional to 20,413.37, 30,632.40 and 7,264.76

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Solution

The fourth proportional to 20,413.37, 30,632.40 and 7,264.76 is: 10,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.37 : 30,632.40 = 7,264.76 : x
  2. Step 2: Convert to fraction form
    20,413.37/30,632.40 = 7,264.76/x
  3. Step 3: Cross multiply
    20,413.37x = 30,632.40 × 7,264.76
  4. Step 4: Simplify right side
    20,413.37x = 222,537,034.22
  5. Step 5: Solve for x
    x = 222,537,034.22/20,413.37
  6. Step 6: Final answer
    x = 10,901.53

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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.