Home / 10,314.72-14,227.84-6,120

Finding the Fourth Proportional to 10,314.72, 14,227.84 and 6,120

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Solution

The fourth proportional to 10,314.72, 14,227.84 and 6,120 is: 8,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.72 : 14,227.84 = 6,120 : x
  2. Step 2: Convert to fraction form
    10,314.72/14,227.84 = 6,120/x
  3. Step 3: Cross multiply
    10,314.72x = 14,227.84 × 6,120
  4. Step 4: Simplify right side
    10,314.72x = 87,074,380.80
  5. Step 5: Solve for x
    x = 87,074,380.80/10,314.72
  6. Step 6: Final answer
    x = 8,441.76

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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.