Home / 11,917.01-17,875.52-4,125.83

Finding the Fourth Proportional to 11,917.01, 17,875.52 and 4,125.83

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Solution

The fourth proportional to 11,917.01, 17,875.52 and 4,125.83 is: 6,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.01 : 17,875.52 = 4,125.83 : x
  2. Step 2: Convert to fraction form
    11,917.01/17,875.52 = 4,125.83/x
  3. Step 3: Cross multiply
    11,917.01x = 17,875.52 × 4,125.83
  4. Step 4: Simplify right side
    11,917.01x = 73,751,246.67
  5. Step 5: Solve for x
    x = 73,751,246.67/11,917.01
  6. Step 6: Final answer
    x = 6,188.74

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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.