Home / 11,428.92-17,128.29-6,150.96

Finding the Fourth Proportional to 11,428.92, 17,128.29 and 6,150.96

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Solution

The fourth proportional to 11,428.92, 17,128.29 and 6,150.96 is: 9,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.92 : 17,128.29 = 6,150.96 : x
  2. Step 2: Convert to fraction form
    11,428.92/17,128.29 = 6,150.96/x
  3. Step 3: Cross multiply
    11,428.92x = 17,128.29 × 6,150.96
  4. Step 4: Simplify right side
    11,428.92x = 105,355,426.66
  5. Step 5: Solve for x
    x = 105,355,426.66/11,428.92
  6. Step 6: Final answer
    x = 9,218.32

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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.