Home / 11,478.28-17,194.62-7,570.84

Finding the Fourth Proportional to 11,478.28, 17,194.62 and 7,570.84

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Solution

The fourth proportional to 11,478.28, 17,194.62 and 7,570.84 is: 11,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.28 : 17,194.62 = 7,570.84 : x
  2. Step 2: Convert to fraction form
    11,478.28/17,194.62 = 7,570.84/x
  3. Step 3: Cross multiply
    11,478.28x = 17,194.62 × 7,570.84
  4. Step 4: Simplify right side
    11,478.28x = 130,177,716.88
  5. Step 5: Solve for x
    x = 130,177,716.88/11,478.28
  6. Step 6: Final answer
    x = 11,341.22

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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.