Home / 19,669.80-27,144.63-10,717.31

Finding the Fourth Proportional to 19,669.80, 27,144.63 and 10,717.31

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Solution

The fourth proportional to 19,669.80, 27,144.63 and 10,717.31 is: 14,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.80 : 27,144.63 = 10,717.31 : x
  2. Step 2: Convert to fraction form
    19,669.80/27,144.63 = 10,717.31/x
  3. Step 3: Cross multiply
    19,669.80x = 27,144.63 × 10,717.31
  4. Step 4: Simplify right side
    19,669.80x = 290,917,278.82
  5. Step 5: Solve for x
    x = 290,917,278.82/19,669.80
  6. Step 6: Final answer
    x = 14,790.05

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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.