Home / 11,587.05-17,378.64-4,194.99

Finding the Fourth Proportional to 11,587.05, 17,378.64 and 4,194.99

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Solution

The fourth proportional to 11,587.05, 17,378.64 and 4,194.99 is: 6,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.05 : 17,378.64 = 4,194.99 : x
  2. Step 2: Convert to fraction form
    11,587.05/17,378.64 = 4,194.99/x
  3. Step 3: Cross multiply
    11,587.05x = 17,378.64 × 4,194.99
  4. Step 4: Simplify right side
    11,587.05x = 72,903,221.01
  5. Step 5: Solve for x
    x = 72,903,221.01/11,587.05
  6. Step 6: Final answer
    x = 6,291.78

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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.