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Finding the Fourth Proportional to 14,510.21, 21,773.21 and 11,229.71

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Solution

The fourth proportional to 14,510.21, 21,773.21 and 11,229.71 is: 16,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.21 : 21,773.21 = 11,229.71 : x
  2. Step 2: Convert to fraction form
    14,510.21/21,773.21 = 11,229.71/x
  3. Step 3: Cross multiply
    14,510.21x = 21,773.21 × 11,229.71
  4. Step 4: Simplify right side
    14,510.21x = 244,506,669.05
  5. Step 5: Solve for x
    x = 244,506,669.05/14,510.21
  6. Step 6: Final answer
    x = 16,850.67

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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.