Home / 19,717.82-27,210.19-10,765.39

Finding the Fourth Proportional to 19,717.82, 27,210.19 and 10,765.39

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Solution

The fourth proportional to 19,717.82, 27,210.19 and 10,765.39 is: 14,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.82 : 27,210.19 = 10,765.39 : x
  2. Step 2: Convert to fraction form
    19,717.82/27,210.19 = 10,765.39/x
  3. Step 3: Cross multiply
    19,717.82x = 27,210.19 × 10,765.39
  4. Step 4: Simplify right side
    19,717.82x = 292,928,413.52
  5. Step 5: Solve for x
    x = 292,928,413.52/19,717.82
  6. Step 6: Final answer
    x = 14,856.03

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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.