Home / 14,187.88-21,284.94-4,327.91

Finding the Fourth Proportional to 14,187.88, 21,284.94 and 4,327.91

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Solution

The fourth proportional to 14,187.88, 21,284.94 and 4,327.91 is: 6,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.88 : 21,284.94 = 4,327.91 : x
  2. Step 2: Convert to fraction form
    14,187.88/21,284.94 = 4,327.91/x
  3. Step 3: Cross multiply
    14,187.88x = 21,284.94 × 4,327.91
  4. Step 4: Simplify right side
    14,187.88x = 92,119,414.03
  5. Step 5: Solve for x
    x = 92,119,414.03/14,187.88
  6. Step 6: Final answer
    x = 6,492.83

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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.