Home / 12,169.93-18,256.77-5,150.00

Finding the Fourth Proportional to 12,169.93, 18,256.77 and 5,150.00

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Solution

The fourth proportional to 12,169.93, 18,256.77 and 5,150.00 is: 7,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.93 : 18,256.77 = 5,150.00 : x
  2. Step 2: Convert to fraction form
    12,169.93/18,256.77 = 5,150.00/x
  3. Step 3: Cross multiply
    12,169.93x = 18,256.77 × 5,150.00
  4. Step 4: Simplify right side
    12,169.93x = 94,022,430.45
  5. Step 5: Solve for x
    x = 94,022,430.45/12,169.93
  6. Step 6: Final answer
    x = 7,725.80

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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.