Home / 14,286.64-21,443.81-6,896.29

Finding the Fourth Proportional to 14,286.64, 21,443.81 and 6,896.29

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Solution

The fourth proportional to 14,286.64, 21,443.81 and 6,896.29 is: 10,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.64 : 21,443.81 = 6,896.29 : x
  2. Step 2: Convert to fraction form
    14,286.64/21,443.81 = 6,896.29/x
  3. Step 3: Cross multiply
    14,286.64x = 21,443.81 × 6,896.29
  4. Step 4: Simplify right side
    14,286.64x = 147,882,732.46
  5. Step 5: Solve for x
    x = 147,882,732.46/14,286.64
  6. Step 6: Final answer
    x = 10,351.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.