Home / 14,123.99-21,189.41-4,262.67

Finding the Fourth Proportional to 14,123.99, 21,189.41 and 4,262.67

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Solution

The fourth proportional to 14,123.99, 21,189.41 and 4,262.67 is: 6,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.99 : 21,189.41 = 4,262.67 : x
  2. Step 2: Convert to fraction form
    14,123.99/21,189.41 = 4,262.67/x
  3. Step 3: Cross multiply
    14,123.99x = 21,189.41 × 4,262.67
  4. Step 4: Simplify right side
    14,123.99x = 90,323,472.98
  5. Step 5: Solve for x
    x = 90,323,472.98/14,123.99
  6. Step 6: Final answer
    x = 6,395.04

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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.