Home / 8,269.19-12,403.99-2,113.19

Finding the Fourth Proportional to 8,269.19, 12,403.99 and 2,113.19

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Solution

The fourth proportional to 8,269.19, 12,403.99 and 2,113.19 is: 3,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.19 : 12,403.99 = 2,113.19 : x
  2. Step 2: Convert to fraction form
    8,269.19/12,403.99 = 2,113.19/x
  3. Step 3: Cross multiply
    8,269.19x = 12,403.99 × 2,113.19
  4. Step 4: Simplify right side
    8,269.19x = 26,211,977.06
  5. Step 5: Solve for x
    x = 26,211,977.06/8,269.19
  6. Step 6: Final answer
    x = 3,169.84

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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.