Home / 22,015.76-30,371.92-13,063.64

Finding the Fourth Proportional to 22,015.76, 30,371.92 and 13,063.64

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Solution

The fourth proportional to 22,015.76, 30,371.92 and 13,063.64 is: 18,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.76 : 30,371.92 = 13,063.64 : x
  2. Step 2: Convert to fraction form
    22,015.76/30,371.92 = 13,063.64/x
  3. Step 3: Cross multiply
    22,015.76x = 30,371.92 × 13,063.64
  4. Step 4: Simplify right side
    22,015.76x = 396,767,828.99
  5. Step 5: Solve for x
    x = 396,767,828.99/22,015.76
  6. Step 6: Final answer
    x = 18,021.99

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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.