Home / 20,884.29-28,818.72-11,452.83

Finding the Fourth Proportional to 20,884.29, 28,818.72 and 11,452.83

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Solution

The fourth proportional to 20,884.29, 28,818.72 and 11,452.83 is: 15,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.29 : 28,818.72 = 11,452.83 : x
  2. Step 2: Convert to fraction form
    20,884.29/28,818.72 = 11,452.83/x
  3. Step 3: Cross multiply
    20,884.29x = 28,818.72 × 11,452.83
  4. Step 4: Simplify right side
    20,884.29x = 330,055,900.98
  5. Step 5: Solve for x
    x = 330,055,900.98/20,884.29
  6. Step 6: Final answer
    x = 15,804.03

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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.