Home / 20,451.14-30,677.10-6,410.86

Finding the Fourth Proportional to 20,451.14, 30,677.10 and 6,410.86

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Solution

The fourth proportional to 20,451.14, 30,677.10 and 6,410.86 is: 9,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.14 : 30,677.10 = 6,410.86 : x
  2. Step 2: Convert to fraction form
    20,451.14/30,677.10 = 6,410.86/x
  3. Step 3: Cross multiply
    20,451.14x = 30,677.10 × 6,410.86
  4. Step 4: Simplify right side
    20,451.14x = 196,666,516.61
  5. Step 5: Solve for x
    x = 196,666,516.61/20,451.14
  6. Step 6: Final answer
    x = 9,616.41

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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.