Home / 14,183.60-21,244.40-11,690.42

Finding the Fourth Proportional to 14,183.60, 21,244.40 and 11,690.42

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Solution

The fourth proportional to 14,183.60, 21,244.40 and 11,690.42 is: 17,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.60 : 21,244.40 = 11,690.42 : x
  2. Step 2: Convert to fraction form
    14,183.60/21,244.40 = 11,690.42/x
  3. Step 3: Cross multiply
    14,183.60x = 21,244.40 × 11,690.42
  4. Step 4: Simplify right side
    14,183.60x = 248,355,793.97
  5. Step 5: Solve for x
    x = 248,355,793.97/14,183.60
  6. Step 6: Final answer
    x = 17,510.07

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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.