Home / 10,912.29-16,354.68-4,664.91

Finding the Fourth Proportional to 10,912.29, 16,354.68 and 4,664.91

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Solution

The fourth proportional to 10,912.29, 16,354.68 and 4,664.91 is: 6,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.29 : 16,354.68 = 4,664.91 : x
  2. Step 2: Convert to fraction form
    10,912.29/16,354.68 = 4,664.91/x
  3. Step 3: Cross multiply
    10,912.29x = 16,354.68 × 4,664.91
  4. Step 4: Simplify right side
    10,912.29x = 76,293,110.28
  5. Step 5: Solve for x
    x = 76,293,110.28/10,912.29
  6. Step 6: Final answer
    x = 6,991.48

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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.