Home / 11,739.08-17,520.43-10,150.77

Finding the Fourth Proportional to 11,739.08, 17,520.43 and 10,150.77

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Solution

The fourth proportional to 11,739.08, 17,520.43 and 10,150.77 is: 15,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.08 : 17,520.43 = 10,150.77 : x
  2. Step 2: Convert to fraction form
    11,739.08/17,520.43 = 10,150.77/x
  3. Step 3: Cross multiply
    11,739.08x = 17,520.43 × 10,150.77
  4. Step 4: Simplify right side
    11,739.08x = 177,845,914.59
  5. Step 5: Solve for x
    x = 177,845,914.59/11,739.08
  6. Step 6: Final answer
    x = 15,149.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.