Home / 14,471.85-21,658.47-12,134.50

Finding the Fourth Proportional to 14,471.85, 21,658.47 and 12,134.50

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Solution

The fourth proportional to 14,471.85, 21,658.47 and 12,134.50 is: 18,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.85 : 21,658.47 = 12,134.50 : x
  2. Step 2: Convert to fraction form
    14,471.85/21,658.47 = 12,134.50/x
  3. Step 3: Cross multiply
    14,471.85x = 21,658.47 × 12,134.50
  4. Step 4: Simplify right side
    14,471.85x = 262,814,704.22
  5. Step 5: Solve for x
    x = 262,814,704.22/14,471.85
  6. Step 6: Final answer
    x = 18,160.41

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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.