Home / 18,669.84-25,764.39-10,286.34

Finding the Fourth Proportional to 18,669.84, 25,764.39 and 10,286.34

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Solution

The fourth proportional to 18,669.84, 25,764.39 and 10,286.34 is: 14,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.84 : 25,764.39 = 10,286.34 : x
  2. Step 2: Convert to fraction form
    18,669.84/25,764.39 = 10,286.34/x
  3. Step 3: Cross multiply
    18,669.84x = 25,764.39 × 10,286.34
  4. Step 4: Simplify right side
    18,669.84x = 265,021,275.43
  5. Step 5: Solve for x
    x = 265,021,275.43/18,669.84
  6. Step 6: Final answer
    x = 14,195.16

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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.