Home / 20,553.08-30,807.74-10,682.42

Finding the Fourth Proportional to 20,553.08, 30,807.74 and 10,682.42

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Solution

The fourth proportional to 20,553.08, 30,807.74 and 10,682.42 is: 16,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553.08 : 30,807.74 = 10,682.42 : x
  2. Step 2: Convert to fraction form
    20,553.08/30,807.74 = 10,682.42/x
  3. Step 3: Cross multiply
    20,553.08x = 30,807.74 × 10,682.42
  4. Step 4: Simplify right side
    20,553.08x = 329,101,217.93
  5. Step 5: Solve for x
    x = 329,101,217.93/20,553.08
  6. Step 6: Final answer
    x = 16,012.26

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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.