Home / 20,514.36-28,309.83-11,082.93

Finding the Fourth Proportional to 20,514.36, 28,309.83 and 11,082.93

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Solution

The fourth proportional to 20,514.36, 28,309.83 and 11,082.93 is: 15,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.36 : 28,309.83 = 11,082.93 : x
  2. Step 2: Convert to fraction form
    20,514.36/28,309.83 = 11,082.93/x
  3. Step 3: Cross multiply
    20,514.36x = 28,309.83 × 11,082.93
  4. Step 4: Simplify right side
    20,514.36x = 313,755,864.20
  5. Step 5: Solve for x
    x = 313,755,864.20/20,514.36
  6. Step 6: Final answer
    x = 15,294.45

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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.