Home / 10,856.54-16,285.97-3,459.26

Finding the Fourth Proportional to 10,856.54, 16,285.97 and 3,459.26

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Solution

The fourth proportional to 10,856.54, 16,285.97 and 3,459.26 is: 5,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.54 : 16,285.97 = 3,459.26 : x
  2. Step 2: Convert to fraction form
    10,856.54/16,285.97 = 3,459.26/x
  3. Step 3: Cross multiply
    10,856.54x = 16,285.97 × 3,459.26
  4. Step 4: Simplify right side
    10,856.54x = 56,337,453.95
  5. Step 5: Solve for x
    x = 56,337,453.95/10,856.54
  6. Step 6: Final answer
    x = 5,189.26

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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.