Home / 8,013.26-12,019.92-2,169.87

Finding the Fourth Proportional to 8,013.26, 12,019.92 and 2,169.87

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Solution

The fourth proportional to 8,013.26, 12,019.92 and 2,169.87 is: 3,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.26 : 12,019.92 = 2,169.87 : x
  2. Step 2: Convert to fraction form
    8,013.26/12,019.92 = 2,169.87/x
  3. Step 3: Cross multiply
    8,013.26x = 12,019.92 × 2,169.87
  4. Step 4: Simplify right side
    8,013.26x = 26,081,663.81
  5. Step 5: Solve for x
    x = 26,081,663.81/8,013.26
  6. Step 6: Final answer
    x = 3,254.82

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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.