Home / 15,413.14-23,008.19-13,544.80

Finding the Fourth Proportional to 15,413.14, 23,008.19 and 13,544.80

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Solution

The fourth proportional to 15,413.14, 23,008.19 and 13,544.80 is: 20,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.14 : 23,008.19 = 13,544.80 : x
  2. Step 2: Convert to fraction form
    15,413.14/23,008.19 = 13,544.80/x
  3. Step 3: Cross multiply
    15,413.14x = 23,008.19 × 13,544.80
  4. Step 4: Simplify right side
    15,413.14x = 311,641,331.91
  5. Step 5: Solve for x
    x = 311,641,331.91/15,413.14
  6. Step 6: Final answer
    x = 20,219.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.