Home / 8,013.07-12,018.18-2,170.13

Finding the Fourth Proportional to 8,013.07, 12,018.18 and 2,170.13

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Solution

The fourth proportional to 8,013.07, 12,018.18 and 2,170.13 is: 3,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.07 : 12,018.18 = 2,170.13 : x
  2. Step 2: Convert to fraction form
    8,013.07/12,018.18 = 2,170.13/x
  3. Step 3: Cross multiply
    8,013.07x = 12,018.18 × 2,170.13
  4. Step 4: Simplify right side
    8,013.07x = 26,081,012.96
  5. Step 5: Solve for x
    x = 26,081,012.96/8,013.07
  6. Step 6: Final answer
    x = 3,254.81

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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.