Home / 19,413.50-26,790.64-11,031.62

Finding the Fourth Proportional to 19,413.50, 26,790.64 and 11,031.62

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Solution

The fourth proportional to 19,413.50, 26,790.64 and 11,031.62 is: 15,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.50 : 26,790.64 = 11,031.62 : x
  2. Step 2: Convert to fraction form
    19,413.50/26,790.64 = 11,031.62/x
  3. Step 3: Cross multiply
    19,413.50x = 26,790.64 × 11,031.62
  4. Step 4: Simplify right side
    19,413.50x = 295,544,160.04
  5. Step 5: Solve for x
    x = 295,544,160.04/19,413.50
  6. Step 6: Final answer
    x = 15,223.64

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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.