Home / 14,382.63-21,575.43-3,994.38

Finding the Fourth Proportional to 14,382.63, 21,575.43 and 3,994.38

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Solution

The fourth proportional to 14,382.63, 21,575.43 and 3,994.38 is: 5,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.63 : 21,575.43 = 3,994.38 : x
  2. Step 2: Convert to fraction form
    14,382.63/21,575.43 = 3,994.38/x
  3. Step 3: Cross multiply
    14,382.63x = 21,575.43 × 3,994.38
  4. Step 4: Simplify right side
    14,382.63x = 86,180,466.08
  5. Step 5: Solve for x
    x = 86,180,466.08/14,382.63
  6. Step 6: Final answer
    x = 5,991.98

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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.