Home / 17,413.40-26,121.48-10,440.99

Finding the Fourth Proportional to 17,413.40, 26,121.48 and 10,440.99

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Solution

The fourth proportional to 17,413.40, 26,121.48 and 10,440.99 is: 15,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.40 : 26,121.48 = 10,440.99 : x
  2. Step 2: Convert to fraction form
    17,413.40/26,121.48 = 10,440.99/x
  3. Step 3: Cross multiply
    17,413.40x = 26,121.48 × 10,440.99
  4. Step 4: Simplify right side
    17,413.40x = 272,734,111.47
  5. Step 5: Solve for x
    x = 272,734,111.47/17,413.40
  6. Step 6: Final answer
    x = 15,662.32

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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.