Home / 20,413.31-30,591.45-11,033.10

Finding the Fourth Proportional to 20,413.31, 30,591.45 and 11,033.10

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Solution

The fourth proportional to 20,413.31, 30,591.45 and 11,033.10 is: 16,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.31 : 30,591.45 = 11,033.10 : x
  2. Step 2: Convert to fraction form
    20,413.31/30,591.45 = 11,033.10/x
  3. Step 3: Cross multiply
    20,413.31x = 30,591.45 × 11,033.10
  4. Step 4: Simplify right side
    20,413.31x = 337,518,527.00
  5. Step 5: Solve for x
    x = 337,518,527.00/20,413.31
  6. Step 6: Final answer
    x = 16,534.24

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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.