Home / 14,065.38-21,114.36-8,226.18

Finding the Fourth Proportional to 14,065.38, 21,114.36 and 8,226.18

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Solution

The fourth proportional to 14,065.38, 21,114.36 and 8,226.18 is: 12,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.38 : 21,114.36 = 8,226.18 : x
  2. Step 2: Convert to fraction form
    14,065.38/21,114.36 = 8,226.18/x
  3. Step 3: Cross multiply
    14,065.38x = 21,114.36 × 8,226.18
  4. Step 4: Simplify right side
    14,065.38x = 173,690,525.94
  5. Step 5: Solve for x
    x = 173,690,525.94/14,065.38
  6. Step 6: Final answer
    x = 12,348.80

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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.