Home / 8,013.20-12,018.36-2,170.24

Finding the Fourth Proportional to 8,013.20, 12,018.36 and 2,170.24

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Solution

The fourth proportional to 8,013.20, 12,018.36 and 2,170.24 is: 3,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.20 : 12,018.36 = 2,170.24 : x
  2. Step 2: Convert to fraction form
    8,013.20/12,018.36 = 2,170.24/x
  3. Step 3: Cross multiply
    8,013.20x = 12,018.36 × 2,170.24
  4. Step 4: Simplify right side
    8,013.20x = 26,082,725.61
  5. Step 5: Solve for x
    x = 26,082,725.61/8,013.20
  6. Step 6: Final answer
    x = 3,254.97

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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.