Home / 18,744.78-25,868.91-10,786.83

Finding the Fourth Proportional to 18,744.78, 25,868.91 and 10,786.83

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Solution

The fourth proportional to 18,744.78, 25,868.91 and 10,786.83 is: 14,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.78 : 25,868.91 = 10,786.83 : x
  2. Step 2: Convert to fraction form
    18,744.78/25,868.91 = 10,786.83/x
  3. Step 3: Cross multiply
    18,744.78x = 25,868.91 × 10,786.83
  4. Step 4: Simplify right side
    18,744.78x = 279,043,534.46
  5. Step 5: Solve for x
    x = 279,043,534.46/18,744.78
  6. Step 6: Final answer
    x = 14,886.47

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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.