Home / 14,123.85-21,171.87-6,230.67

Finding the Fourth Proportional to 14,123.85, 21,171.87 and 6,230.67

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Solution

The fourth proportional to 14,123.85, 21,171.87 and 6,230.67 is: 9,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.85 : 21,171.87 = 6,230.67 : x
  2. Step 2: Convert to fraction form
    14,123.85/21,171.87 = 6,230.67/x
  3. Step 3: Cross multiply
    14,123.85x = 21,171.87 × 6,230.67
  4. Step 4: Simplify right side
    14,123.85x = 131,914,935.25
  5. Step 5: Solve for x
    x = 131,914,935.25/14,123.85
  6. Step 6: Final answer
    x = 9,339.87

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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.