Home / 20,342.30-30,513.55-7,194.68

Finding the Fourth Proportional to 20,342.30, 30,513.55 and 7,194.68

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Solution

The fourth proportional to 20,342.30, 30,513.55 and 7,194.68 is: 10,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.30 : 30,513.55 = 7,194.68 : x
  2. Step 2: Convert to fraction form
    20,342.30/30,513.55 = 7,194.68/x
  3. Step 3: Cross multiply
    20,342.30x = 30,513.55 × 7,194.68
  4. Step 4: Simplify right side
    20,342.30x = 219,535,200.93
  5. Step 5: Solve for x
    x = 219,535,200.93/20,342.30
  6. Step 6: Final answer
    x = 10,792.06

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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.