Home / 14,183.85-21,268.65-8,262.69

Finding the Fourth Proportional to 14,183.85, 21,268.65 and 8,262.69

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Solution

The fourth proportional to 14,183.85, 21,268.65 and 8,262.69 is: 12,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.85 : 21,268.65 = 8,262.69 : x
  2. Step 2: Convert to fraction form
    14,183.85/21,268.65 = 8,262.69/x
  3. Step 3: Cross multiply
    14,183.85x = 21,268.65 × 8,262.69
  4. Step 4: Simplify right side
    14,183.85x = 175,736,261.67
  5. Step 5: Solve for x
    x = 175,736,261.67/14,183.85
  6. Step 6: Final answer
    x = 12,389.88

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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.