Home / 14,157.12-21,236.08-3,768.88

Finding the Fourth Proportional to 14,157.12, 21,236.08 and 3,768.88

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Solution

The fourth proportional to 14,157.12, 21,236.08 and 3,768.88 is: 5,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.12 : 21,236.08 = 3,768.88 : x
  2. Step 2: Convert to fraction form
    14,157.12/21,236.08 = 3,768.88/x
  3. Step 3: Cross multiply
    14,157.12x = 21,236.08 × 3,768.88
  4. Step 4: Simplify right side
    14,157.12x = 80,036,237.19
  5. Step 5: Solve for x
    x = 80,036,237.19/14,157.12
  6. Step 6: Final answer
    x = 5,653.43

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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.