Home / 19,860.77-27,407.85-10,908.27

Finding the Fourth Proportional to 19,860.77, 27,407.85 and 10,908.27

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Solution

The fourth proportional to 19,860.77, 27,407.85 and 10,908.27 is: 15,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.77 : 27,407.85 = 10,908.27 : x
  2. Step 2: Convert to fraction form
    19,860.77/27,407.85 = 10,908.27/x
  3. Step 3: Cross multiply
    19,860.77x = 27,407.85 × 10,908.27
  4. Step 4: Simplify right side
    19,860.77x = 298,972,227.92
  5. Step 5: Solve for x
    x = 298,972,227.92/19,860.77
  6. Step 6: Final answer
    x = 15,053.41

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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.