Home / 20,205.49-30,312.82-6,166.77

Finding the Fourth Proportional to 20,205.49, 30,312.82 and 6,166.77

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Solution

The fourth proportional to 20,205.49, 30,312.82 and 6,166.77 is: 9,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.49 : 30,312.82 = 6,166.77 : x
  2. Step 2: Convert to fraction form
    20,205.49/30,312.82 = 6,166.77/x
  3. Step 3: Cross multiply
    20,205.49x = 30,312.82 × 6,166.77
  4. Step 4: Simplify right side
    20,205.49x = 186,932,188.99
  5. Step 5: Solve for x
    x = 186,932,188.99/20,205.49
  6. Step 6: Final answer
    x = 9,251.55

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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.