Home / 20,334.32-30,495.60-7,006.77

Finding the Fourth Proportional to 20,334.32, 30,495.60 and 7,006.77

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Solution

The fourth proportional to 20,334.32, 30,495.60 and 7,006.77 is: 10,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.32 : 30,495.60 = 7,006.77 : x
  2. Step 2: Convert to fraction form
    20,334.32/30,495.60 = 7,006.77/x
  3. Step 3: Cross multiply
    20,334.32x = 30,495.60 × 7,006.77
  4. Step 4: Simplify right side
    20,334.32x = 213,675,520.25
  5. Step 5: Solve for x
    x = 213,675,520.25/20,334.32
  6. Step 6: Final answer
    x = 10,508.12

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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.