Home / 14,188.64-21,286.35-4,327.29

Finding the Fourth Proportional to 14,188.64, 21,286.35 and 4,327.29

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Solution

The fourth proportional to 14,188.64, 21,286.35 and 4,327.29 is: 6,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.64 : 21,286.35 = 4,327.29 : x
  2. Step 2: Convert to fraction form
    14,188.64/21,286.35 = 4,327.29/x
  3. Step 3: Cross multiply
    14,188.64x = 21,286.35 × 4,327.29
  4. Step 4: Simplify right side
    14,188.64x = 92,112,209.49
  5. Step 5: Solve for x
    x = 92,112,209.49/14,188.64
  6. Step 6: Final answer
    x = 6,491.97

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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.