Home / 18,744.40-25,868.06-10,786.66

Finding the Fourth Proportional to 18,744.40, 25,868.06 and 10,786.66

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Solution

The fourth proportional to 18,744.40, 25,868.06 and 10,786.66 is: 14,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.40 : 25,868.06 = 10,786.66 : x
  2. Step 2: Convert to fraction form
    18,744.40/25,868.06 = 10,786.66/x
  3. Step 3: Cross multiply
    18,744.40x = 25,868.06 × 10,786.66
  4. Step 4: Simplify right side
    18,744.40x = 279,029,889.93
  5. Step 5: Solve for x
    x = 279,029,889.93/18,744.40
  6. Step 6: Final answer
    x = 14,886.04

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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.