Home / 20,914.37-31,369.26-6,123.44

Finding the Fourth Proportional to 20,914.37, 31,369.26 and 6,123.44

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Solution

The fourth proportional to 20,914.37, 31,369.26 and 6,123.44 is: 9,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.37 : 31,369.26 = 6,123.44 : x
  2. Step 2: Convert to fraction form
    20,914.37/31,369.26 = 6,123.44/x
  3. Step 3: Cross multiply
    20,914.37x = 31,369.26 × 6,123.44
  4. Step 4: Simplify right side
    20,914.37x = 192,087,624.61
  5. Step 5: Solve for x
    x = 192,087,624.61/20,914.37
  6. Step 6: Final answer
    x = 9,184.48

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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.