Home / 8,013.31-12,020.19-2,169.91

Finding the Fourth Proportional to 8,013.31, 12,020.19 and 2,169.91

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Solution

The fourth proportional to 8,013.31, 12,020.19 and 2,169.91 is: 3,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.31 : 12,020.19 = 2,169.91 : x
  2. Step 2: Convert to fraction form
    8,013.31/12,020.19 = 2,169.91/x
  3. Step 3: Cross multiply
    8,013.31x = 12,020.19 × 2,169.91
  4. Step 4: Simplify right side
    8,013.31x = 26,082,730.48
  5. Step 5: Solve for x
    x = 26,082,730.48/8,013.31
  6. Step 6: Final answer
    x = 3,254.93

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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.