Home / 26,013.40-39,005.70-8,474.20

Finding the Fourth Proportional to 26,013.40, 39,005.70 and 8,474.20

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Solution

The fourth proportional to 26,013.40, 39,005.70 and 8,474.20 is: 12,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.40 : 39,005.70 = 8,474.20 : x
  2. Step 2: Convert to fraction form
    26,013.40/39,005.70 = 8,474.20/x
  3. Step 3: Cross multiply
    26,013.40x = 39,005.70 × 8,474.20
  4. Step 4: Simplify right side
    26,013.40x = 330,542,102.94
  5. Step 5: Solve for x
    x = 330,542,102.94/26,013.40
  6. Step 6: Final answer
    x = 12,706.61

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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.