Home / 20,256.85-30,385.14-10,901.27

Finding the Fourth Proportional to 20,256.85, 30,385.14 and 10,901.27

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Solution

The fourth proportional to 20,256.85, 30,385.14 and 10,901.27 is: 16,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.85 : 30,385.14 = 10,901.27 : x
  2. Step 2: Convert to fraction form
    20,256.85/30,385.14 = 10,901.27/x
  3. Step 3: Cross multiply
    20,256.85x = 30,385.14 × 10,901.27
  4. Step 4: Simplify right side
    20,256.85x = 331,236,615.13
  5. Step 5: Solve for x
    x = 331,236,615.13/20,256.85
  6. Step 6: Final answer
    x = 16,351.83

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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.