Home / 14,617.26-21,865.68-12,155.40

Finding the Fourth Proportional to 14,617.26, 21,865.68 and 12,155.40

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Solution

The fourth proportional to 14,617.26, 21,865.68 and 12,155.40 is: 18,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.26 : 21,865.68 = 12,155.40 : x
  2. Step 2: Convert to fraction form
    14,617.26/21,865.68 = 12,155.40/x
  3. Step 3: Cross multiply
    14,617.26x = 21,865.68 × 12,155.40
  4. Step 4: Simplify right side
    14,617.26x = 265,786,086.67
  5. Step 5: Solve for x
    x = 265,786,086.67/14,617.26
  6. Step 6: Final answer
    x = 18,183.03

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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.