Home / 14,183.35-21,267.90-8,262.19

Finding the Fourth Proportional to 14,183.35, 21,267.90 and 8,262.19

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Solution

The fourth proportional to 14,183.35, 21,267.90 and 8,262.19 is: 12,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.35 : 21,267.90 = 8,262.19 : x
  2. Step 2: Convert to fraction form
    14,183.35/21,267.90 = 8,262.19/x
  3. Step 3: Cross multiply
    14,183.35x = 21,267.90 × 8,262.19
  4. Step 4: Simplify right side
    14,183.35x = 175,719,430.70
  5. Step 5: Solve for x
    x = 175,719,430.70/14,183.35
  6. Step 6: Final answer
    x = 12,389.13

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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.