Home / 8,013.15-12,018.29-2,170.22

Finding the Fourth Proportional to 8,013.15, 12,018.29 and 2,170.22

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Solution

The fourth proportional to 8,013.15, 12,018.29 and 2,170.22 is: 3,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.15 : 12,018.29 = 2,170.22 : x
  2. Step 2: Convert to fraction form
    8,013.15/12,018.29 = 2,170.22/x
  3. Step 3: Cross multiply
    8,013.15x = 12,018.29 × 2,170.22
  4. Step 4: Simplify right side
    8,013.15x = 26,082,262.38
  5. Step 5: Solve for x
    x = 26,082,262.38/8,013.15
  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.