Home / 14,207.70-21,311.55-12,825.30

Finding the Fourth Proportional to 14,207.70, 21,311.55 and 12,825.30

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Solution

The fourth proportional to 14,207.70, 21,311.55 and 12,825.30 is: 19,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.70 : 21,311.55 = 12,825.30 : x
  2. Step 2: Convert to fraction form
    14,207.70/21,311.55 = 12,825.30/x
  3. Step 3: Cross multiply
    14,207.70x = 21,311.55 × 12,825.30
  4. Step 4: Simplify right side
    14,207.70x = 273,327,022.22
  5. Step 5: Solve for x
    x = 273,327,022.22/14,207.70
  6. Step 6: Final answer
    x = 19,237.95

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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.