Home / 18,744.12-25,869.42-10,786.14

Finding the Fourth Proportional to 18,744.12, 25,869.42 and 10,786.14

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Solution

The fourth proportional to 18,744.12, 25,869.42 and 10,786.14 is: 14,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.12 : 25,869.42 = 10,786.14 : x
  2. Step 2: Convert to fraction form
    18,744.12/25,869.42 = 10,786.14/x
  3. Step 3: Cross multiply
    18,744.12x = 25,869.42 × 10,786.14
  4. Step 4: Simplify right side
    18,744.12x = 279,031,185.84
  5. Step 5: Solve for x
    x = 279,031,185.84/18,744.12
  6. Step 6: Final answer
    x = 14,886.33

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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.