Home / 14,499.96-21,715.20-12,408

Finding the Fourth Proportional to 14,499.96, 21,715.20 and 12,408

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Solution

The fourth proportional to 14,499.96, 21,715.20 and 12,408 is: 18,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.96 : 21,715.20 = 12,408 : x
  2. Step 2: Convert to fraction form
    14,499.96/21,715.20 = 12,408/x
  3. Step 3: Cross multiply
    14,499.96x = 21,715.20 × 12,408
  4. Step 4: Simplify right side
    14,499.96x = 269,442,201.60
  5. Step 5: Solve for x
    x = 269,442,201.60/14,499.96
  6. Step 6: Final answer
    x = 18,582.27

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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.