Home / 12,251.43-18,344.16-6,395.67

Finding the Fourth Proportional to 12,251.43, 18,344.16 and 6,395.67

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Solution

The fourth proportional to 12,251.43, 18,344.16 and 6,395.67 is: 9,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.43 : 18,344.16 = 6,395.67 : x
  2. Step 2: Convert to fraction form
    12,251.43/18,344.16 = 6,395.67/x
  3. Step 3: Cross multiply
    12,251.43x = 18,344.16 × 6,395.67
  4. Step 4: Simplify right side
    12,251.43x = 117,323,193.79
  5. Step 5: Solve for x
    x = 117,323,193.79/12,251.43
  6. Step 6: Final answer
    x = 9,576.29

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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.