Home / 10,829.21-16,238.95-4,982.63

Finding the Fourth Proportional to 10,829.21, 16,238.95 and 4,982.63

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Solution

The fourth proportional to 10,829.21, 16,238.95 and 4,982.63 is: 7,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.21 : 16,238.95 = 4,982.63 : x
  2. Step 2: Convert to fraction form
    10,829.21/16,238.95 = 4,982.63/x
  3. Step 3: Cross multiply
    10,829.21x = 16,238.95 × 4,982.63
  4. Step 4: Simplify right side
    10,829.21x = 80,912,585.79
  5. Step 5: Solve for x
    x = 80,912,585.79/10,829.21
  6. Step 6: Final answer
    x = 7,471.70

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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.