Home / 20,337.35-28,063.67-11,839.10

Finding the Fourth Proportional to 20,337.35, 28,063.67 and 11,839.10

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Solution

The fourth proportional to 20,337.35, 28,063.67 and 11,839.10 is: 16,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.35 : 28,063.67 = 11,839.10 : x
  2. Step 2: Convert to fraction form
    20,337.35/28,063.67 = 11,839.10/x
  3. Step 3: Cross multiply
    20,337.35x = 28,063.67 × 11,839.10
  4. Step 4: Simplify right side
    20,337.35x = 332,248,395.98
  5. Step 5: Solve for x
    x = 332,248,395.98/20,337.35
  6. Step 6: Final answer
    x = 16,336.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.