Home / 13,104.67-18,076.29-7,997.86

Finding the Fourth Proportional to 13,104.67, 18,076.29 and 7,997.86

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Solution

The fourth proportional to 13,104.67, 18,076.29 and 7,997.86 is: 11,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.67 : 18,076.29 = 7,997.86 : x
  2. Step 2: Convert to fraction form
    13,104.67/18,076.29 = 7,997.86/x
  3. Step 3: Cross multiply
    13,104.67x = 18,076.29 × 7,997.86
  4. Step 4: Simplify right side
    13,104.67x = 144,571,636.74
  5. Step 5: Solve for x
    x = 144,571,636.74/13,104.67
  6. Step 6: Final answer
    x = 11,032.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.