Home / 20,413.04-30,624.42-7,933.40

Finding the Fourth Proportional to 20,413.04, 30,624.42 and 7,933.40

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Solution

The fourth proportional to 20,413.04, 30,624.42 and 7,933.40 is: 11,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.04 : 30,624.42 = 7,933.40 : x
  2. Step 2: Convert to fraction form
    20,413.04/30,624.42 = 7,933.40/x
  3. Step 3: Cross multiply
    20,413.04x = 30,624.42 × 7,933.40
  4. Step 4: Simplify right side
    20,413.04x = 242,955,773.63
  5. Step 5: Solve for x
    x = 242,955,773.63/20,413.04
  6. Step 6: Final answer
    x = 11,901.99

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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.