Home / 19,670.51-27,144.96-10,718.09

Finding the Fourth Proportional to 19,670.51, 27,144.96 and 10,718.09

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Solution

The fourth proportional to 19,670.51, 27,144.96 and 10,718.09 is: 14,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.51 : 27,144.96 = 10,718.09 : x
  2. Step 2: Convert to fraction form
    19,670.51/27,144.96 = 10,718.09/x
  3. Step 3: Cross multiply
    19,670.51x = 27,144.96 × 10,718.09
  4. Step 4: Simplify right side
    19,670.51x = 290,942,124.33
  5. Step 5: Solve for x
    x = 290,942,124.33/19,670.51
  6. Step 6: Final answer
    x = 14,790.78

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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.