Home / 14,261.13-21,391.65-3,872.88

Finding the Fourth Proportional to 14,261.13, 21,391.65 and 3,872.88

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Solution

The fourth proportional to 14,261.13, 21,391.65 and 3,872.88 is: 5,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.13 : 21,391.65 = 3,872.88 : x
  2. Step 2: Convert to fraction form
    14,261.13/21,391.65 = 3,872.88/x
  3. Step 3: Cross multiply
    14,261.13x = 21,391.65 × 3,872.88
  4. Step 4: Simplify right side
    14,261.13x = 82,847,293.45
  5. Step 5: Solve for x
    x = 82,847,293.45/14,261.13
  6. Step 6: Final answer
    x = 5,809.31

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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.