Home / 14,213.88-21,313.62-8,292.69

Finding the Fourth Proportional to 14,213.88, 21,313.62 and 8,292.69

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Solution

The fourth proportional to 14,213.88, 21,313.62 and 8,292.69 is: 12,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.88 : 21,313.62 = 8,292.69 : x
  2. Step 2: Convert to fraction form
    14,213.88/21,313.62 = 8,292.69/x
  3. Step 3: Cross multiply
    14,213.88x = 21,313.62 × 8,292.69
  4. Step 4: Simplify right side
    14,213.88x = 176,747,243.44
  5. Step 5: Solve for x
    x = 176,747,243.44/14,213.88
  6. Step 6: Final answer
    x = 12,434.83

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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.