Home / 14,215.38-21,326.15-5,450.30

Finding the Fourth Proportional to 14,215.38, 21,326.15 and 5,450.30

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Solution

The fourth proportional to 14,215.38, 21,326.15 and 5,450.30 is: 8,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.38 : 21,326.15 = 5,450.30 : x
  2. Step 2: Convert to fraction form
    14,215.38/21,326.15 = 5,450.30/x
  3. Step 3: Cross multiply
    14,215.38x = 21,326.15 × 5,450.30
  4. Step 4: Simplify right side
    14,215.38x = 116,233,982.29
  5. Step 5: Solve for x
    x = 116,233,982.29/14,215.38
  6. Step 6: Final answer
    x = 8,176.64

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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.