Home / 30,413.40-45,625.14-10,686.84

Finding the Fourth Proportional to 30,413.40, 45,625.14 and 10,686.84

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Solution

The fourth proportional to 30,413.40, 45,625.14 and 10,686.84 is: 16,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.40 : 45,625.14 = 10,686.84 : x
  2. Step 2: Convert to fraction form
    30,413.40/45,625.14 = 10,686.84/x
  3. Step 3: Cross multiply
    30,413.40x = 45,625.14 × 10,686.84
  4. Step 4: Simplify right side
    30,413.40x = 487,588,571.16
  5. Step 5: Solve for x
    x = 487,588,571.16/30,413.40
  6. Step 6: Final answer
    x = 16,032.03

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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.