Home / 19,778.82-27,297.27-11,283.93

Finding the Fourth Proportional to 19,778.82, 27,297.27 and 11,283.93

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Solution

The fourth proportional to 19,778.82, 27,297.27 and 11,283.93 is: 15,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.82 : 27,297.27 = 11,283.93 : x
  2. Step 2: Convert to fraction form
    19,778.82/27,297.27 = 11,283.93/x
  3. Step 3: Cross multiply
    19,778.82x = 27,297.27 × 11,283.93
  4. Step 4: Simplify right side
    19,778.82x = 308,020,483.87
  5. Step 5: Solve for x
    x = 308,020,483.87/19,778.82
  6. Step 6: Final answer
    x = 15,573.25

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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.