Home / 14,155.10-21,233.12-3,766.86

Finding the Fourth Proportional to 14,155.10, 21,233.12 and 3,766.86

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Solution

The fourth proportional to 14,155.10, 21,233.12 and 3,766.86 is: 5,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.10 : 21,233.12 = 3,766.86 : x
  2. Step 2: Convert to fraction form
    14,155.10/21,233.12 = 3,766.86/x
  3. Step 3: Cross multiply
    14,155.10x = 21,233.12 × 3,766.86
  4. Step 4: Simplify right side
    14,155.10x = 79,982,093.65
  5. Step 5: Solve for x
    x = 79,982,093.65/14,155.10
  6. Step 6: Final answer
    x = 5,650.41

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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.