Home / 14,404.30-21,586.20-11,447.80

Finding the Fourth Proportional to 14,404.30, 21,586.20 and 11,447.80

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Solution

The fourth proportional to 14,404.30, 21,586.20 and 11,447.80 is: 17,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.30 : 21,586.20 = 11,447.80 : x
  2. Step 2: Convert to fraction form
    14,404.30/21,586.20 = 11,447.80/x
  3. Step 3: Cross multiply
    14,404.30x = 21,586.20 × 11,447.80
  4. Step 4: Simplify right side
    14,404.30x = 247,114,500.36
  5. Step 5: Solve for x
    x = 247,114,500.36/14,404.30
  6. Step 6: Final answer
    x = 17,155.61

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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.