Home / 20,194.25-30,292.38-7,715.35

Finding the Fourth Proportional to 20,194.25, 30,292.38 and 7,715.35

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Solution

The fourth proportional to 20,194.25, 30,292.38 and 7,715.35 is: 11,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.25 : 30,292.38 = 7,715.35 : x
  2. Step 2: Convert to fraction form
    20,194.25/30,292.38 = 7,715.35/x
  3. Step 3: Cross multiply
    20,194.25x = 30,292.38 × 7,715.35
  4. Step 4: Simplify right side
    20,194.25x = 233,716,238.30
  5. Step 5: Solve for x
    x = 233,716,238.30/20,194.25
  6. Step 6: Final answer
    x = 11,573.41

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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.