Home / 10,910.31-16,369.55-6,530.84

Finding the Fourth Proportional to 10,910.31, 16,369.55 and 6,530.84

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Solution

The fourth proportional to 10,910.31, 16,369.55 and 6,530.84 is: 9,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.31 : 16,369.55 = 6,530.84 : x
  2. Step 2: Convert to fraction form
    10,910.31/16,369.55 = 6,530.84/x
  3. Step 3: Cross multiply
    10,910.31x = 16,369.55 × 6,530.84
  4. Step 4: Simplify right side
    10,910.31x = 106,906,911.92
  5. Step 5: Solve for x
    x = 106,906,911.92/10,910.31
  6. Step 6: Final answer
    x = 9,798.71

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1.5x scale

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.