Home / 18,788.91-25,928.18-10,722.41

Finding the Fourth Proportional to 18,788.91, 25,928.18 and 10,722.41

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Solution

The fourth proportional to 18,788.91, 25,928.18 and 10,722.41 is: 14,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.91 : 25,928.18 = 10,722.41 : x
  2. Step 2: Convert to fraction form
    18,788.91/25,928.18 = 10,722.41/x
  3. Step 3: Cross multiply
    18,788.91x = 25,928.18 × 10,722.41
  4. Step 4: Simplify right side
    18,788.91x = 278,012,609.93
  5. Step 5: Solve for x
    x = 278,012,609.93/18,788.91
  6. Step 6: Final answer
    x = 14,796.63

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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.