Home / 19,865.22-27,413.90-10,790.51

Finding the Fourth Proportional to 19,865.22, 27,413.90 and 10,790.51

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Solution

The fourth proportional to 19,865.22, 27,413.90 and 10,790.51 is: 14,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.22 : 27,413.90 = 10,790.51 : x
  2. Step 2: Convert to fraction form
    19,865.22/27,413.90 = 10,790.51/x
  3. Step 3: Cross multiply
    19,865.22x = 27,413.90 × 10,790.51
  4. Step 4: Simplify right side
    19,865.22x = 295,809,988.19
  5. Step 5: Solve for x
    x = 295,809,988.19/19,865.22
  6. Step 6: Final answer
    x = 14,890.85

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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.