Home / 10,320.21-14,234.64-6,343.52

Finding the Fourth Proportional to 10,320.21, 14,234.64 and 6,343.52

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Solution

The fourth proportional to 10,320.21, 14,234.64 and 6,343.52 is: 8,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.21 : 14,234.64 = 6,343.52 : x
  2. Step 2: Convert to fraction form
    10,320.21/14,234.64 = 6,343.52/x
  3. Step 3: Cross multiply
    10,320.21x = 14,234.64 × 6,343.52
  4. Step 4: Simplify right side
    10,320.21x = 90,297,628.57
  5. Step 5: Solve for x
    x = 90,297,628.57/10,320.21
  6. Step 6: Final answer
    x = 8,749.59

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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.