Home / 20,254.68-30,385.06-7,104.73

Finding the Fourth Proportional to 20,254.68, 30,385.06 and 7,104.73

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Solution

The fourth proportional to 20,254.68, 30,385.06 and 7,104.73 is: 10,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.68 : 30,385.06 = 7,104.73 : x
  2. Step 2: Convert to fraction form
    20,254.68/30,385.06 = 7,104.73/x
  3. Step 3: Cross multiply
    20,254.68x = 30,385.06 × 7,104.73
  4. Step 4: Simplify right side
    20,254.68x = 215,877,647.33
  5. Step 5: Solve for x
    x = 215,877,647.33/20,254.68
  6. Step 6: Final answer
    x = 10,658.16

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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.