Home / 14,141.12-21,212.08-3,752.88

Finding the Fourth Proportional to 14,141.12, 21,212.08 and 3,752.88

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Solution

The fourth proportional to 14,141.12, 21,212.08 and 3,752.88 is: 5,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.12 : 21,212.08 = 3,752.88 : x
  2. Step 2: Convert to fraction form
    14,141.12/21,212.08 = 3,752.88/x
  3. Step 3: Cross multiply
    14,141.12x = 21,212.08 × 3,752.88
  4. Step 4: Simplify right side
    14,141.12x = 79,606,390.79
  5. Step 5: Solve for x
    x = 79,606,390.79/14,141.12
  6. Step 6: Final answer
    x = 5,629.43

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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.