Home / 20,104.29-30,113.91-12,704.94

Finding the Fourth Proportional to 20,104.29, 30,113.91 and 12,704.94

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Solution

The fourth proportional to 20,104.29, 30,113.91 and 12,704.94 is: 19,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.29 : 30,113.91 = 12,704.94 : x
  2. Step 2: Convert to fraction form
    20,104.29/30,113.91 = 12,704.94/x
  3. Step 3: Cross multiply
    20,104.29x = 30,113.91 × 12,704.94
  4. Step 4: Simplify right side
    20,104.29x = 382,595,419.72
  5. Step 5: Solve for x
    x = 382,595,419.72/20,104.29
  6. Step 6: Final answer
    x = 19,030.54

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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.