Home / 20,485.26-30,746.21-10,496.82

Finding the Fourth Proportional to 20,485.26, 30,746.21 and 10,496.82

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Solution

The fourth proportional to 20,485.26, 30,746.21 and 10,496.82 is: 15,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485.26 : 30,746.21 = 10,496.82 : x
  2. Step 2: Convert to fraction form
    20,485.26/30,746.21 = 10,496.82/x
  3. Step 3: Cross multiply
    20,485.26x = 30,746.21 × 10,496.82
  4. Step 4: Simplify right side
    20,485.26x = 322,737,379.57
  5. Step 5: Solve for x
    x = 322,737,379.57/20,485.26
  6. Step 6: Final answer
    x = 15,754.61

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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.