Home / 14,261.10-21,391.66-3,872.84

Finding the Fourth Proportional to 14,261.10, 21,391.66 and 3,872.84

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Solution

The fourth proportional to 14,261.10, 21,391.66 and 3,872.84 is: 5,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.10 : 21,391.66 = 3,872.84 : x
  2. Step 2: Convert to fraction form
    14,261.10/21,391.66 = 3,872.84/x
  3. Step 3: Cross multiply
    14,261.10x = 21,391.66 × 3,872.84
  4. Step 4: Simplify right side
    14,261.10x = 82,846,476.51
  5. Step 5: Solve for x
    x = 82,846,476.51/14,261.10
  6. Step 6: Final answer
    x = 5,809.26

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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.