Home / 14,237.44-21,337.39-12,379.70

Finding the Fourth Proportional to 14,237.44, 21,337.39 and 12,379.70

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Solution

The fourth proportional to 14,237.44, 21,337.39 and 12,379.70 is: 18,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.44 : 21,337.39 = 12,379.70 : x
  2. Step 2: Convert to fraction form
    14,237.44/21,337.39 = 12,379.70/x
  3. Step 3: Cross multiply
    14,237.44x = 21,337.39 × 12,379.70
  4. Step 4: Simplify right side
    14,237.44x = 264,150,555.80
  5. Step 5: Solve for x
    x = 264,150,555.80/14,237.44
  6. Step 6: Final answer
    x = 18,553.24

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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.