Home / 10,163.67-14,027.46-6,387.35

Finding the Fourth Proportional to 10,163.67, 14,027.46 and 6,387.35

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Solution

The fourth proportional to 10,163.67, 14,027.46 and 6,387.35 is: 8,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.67 : 14,027.46 = 6,387.35 : x
  2. Step 2: Convert to fraction form
    10,163.67/14,027.46 = 6,387.35/x
  3. Step 3: Cross multiply
    10,163.67x = 14,027.46 × 6,387.35
  4. Step 4: Simplify right side
    10,163.67x = 89,598,264.69
  5. Step 5: Solve for x
    x = 89,598,264.69/10,163.67
  6. Step 6: Final answer
    x = 8,815.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.