Home / 8,013.10-12,018.26-2,168.34

Finding the Fourth Proportional to 8,013.10, 12,018.26 and 2,168.34

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Solution

The fourth proportional to 8,013.10, 12,018.26 and 2,168.34 is: 3,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.10 : 12,018.26 = 2,168.34 : x
  2. Step 2: Convert to fraction form
    8,013.10/12,018.26 = 2,168.34/x
  3. Step 3: Cross multiply
    8,013.10x = 12,018.26 × 2,168.34
  4. Step 4: Simplify right side
    8,013.10x = 26,059,673.89
  5. Step 5: Solve for x
    x = 26,059,673.89/8,013.10
  6. Step 6: Final answer
    x = 3,252.13

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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.