Home / 65,917.22-98,875.08-15,997.86

Finding the Fourth Proportional to 65,917.22, 98,875.08 and 15,997.86

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Solution

The fourth proportional to 65,917.22, 98,875.08 and 15,997.86 is: 23,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.22 : 98,875.08 = 15,997.86 : x
  2. Step 2: Convert to fraction form
    65,917.22/98,875.08 = 15,997.86/x
  3. Step 3: Cross multiply
    65,917.22x = 98,875.08 × 15,997.86
  4. Step 4: Simplify right side
    65,917.22x = 1,581,789,687.33
  5. Step 5: Solve for x
    x = 1,581,789,687.33/65,917.22
  6. Step 6: Final answer
    x = 23,996.61

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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.