Home / 11,845.08-16,346.10-6,539.78

Finding the Fourth Proportional to 11,845.08, 16,346.10 and 6,539.78

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Solution

The fourth proportional to 11,845.08, 16,346.10 and 6,539.78 is: 9,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.08 : 16,346.10 = 6,539.78 : x
  2. Step 2: Convert to fraction form
    11,845.08/16,346.10 = 6,539.78/x
  3. Step 3: Cross multiply
    11,845.08x = 16,346.10 × 6,539.78
  4. Step 4: Simplify right side
    11,845.08x = 106,899,783.43
  5. Step 5: Solve for x
    x = 106,899,783.43/11,845.08
  6. Step 6: Final answer
    x = 9,024.83

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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.