Home / 14,191.22-21,286.84-4,330.28

Finding the Fourth Proportional to 14,191.22, 21,286.84 and 4,330.28

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Solution

The fourth proportional to 14,191.22, 21,286.84 and 4,330.28 is: 6,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.22 : 21,286.84 = 4,330.28 : x
  2. Step 2: Convert to fraction form
    14,191.22/21,286.84 = 4,330.28/x
  3. Step 3: Cross multiply
    14,191.22x = 21,286.84 × 4,330.28
  4. Step 4: Simplify right side
    14,191.22x = 92,177,977.52
  5. Step 5: Solve for x
    x = 92,177,977.52/14,191.22
  6. Step 6: Final answer
    x = 6,495.42

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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.