Home / 11,231.77-16,833.99-7,945.81

Finding the Fourth Proportional to 11,231.77, 16,833.99 and 7,945.81

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Solution

The fourth proportional to 11,231.77, 16,833.99 and 7,945.81 is: 11,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.77 : 16,833.99 = 7,945.81 : x
  2. Step 2: Convert to fraction form
    11,231.77/16,833.99 = 7,945.81/x
  3. Step 3: Cross multiply
    11,231.77x = 16,833.99 × 7,945.81
  4. Step 4: Simplify right side
    11,231.77x = 133,759,686.08
  5. Step 5: Solve for x
    x = 133,759,686.08/11,231.77
  6. Step 6: Final answer
    x = 11,909.05

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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.