Home / 19,413.55-26,782.26-12,336.17

Finding the Fourth Proportional to 19,413.55, 26,782.26 and 12,336.17

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Solution

The fourth proportional to 19,413.55, 26,782.26 and 12,336.17 is: 17,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.55 : 26,782.26 = 12,336.17 : x
  2. Step 2: Convert to fraction form
    19,413.55/26,782.26 = 12,336.17/x
  3. Step 3: Cross multiply
    19,413.55x = 26,782.26 × 12,336.17
  4. Step 4: Simplify right side
    19,413.55x = 330,390,512.34
  5. Step 5: Solve for x
    x = 330,390,512.34/19,413.55
  6. Step 6: Final answer
    x = 17,018.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.