Home / 20,514.04-28,309.37-11,082.60

Finding the Fourth Proportional to 20,514.04, 28,309.37 and 11,082.60

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Solution

The fourth proportional to 20,514.04, 28,309.37 and 11,082.60 is: 15,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.04 : 28,309.37 = 11,082.60 : x
  2. Step 2: Convert to fraction form
    20,514.04/28,309.37 = 11,082.60/x
  3. Step 3: Cross multiply
    20,514.04x = 28,309.37 × 11,082.60
  4. Step 4: Simplify right side
    20,514.04x = 313,741,368.55
  5. Step 5: Solve for x
    x = 313,741,368.55/20,514.04
  6. Step 6: Final answer
    x = 15,293.98

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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.