Home / 20,453.06-30,702.37-10,589.69

Finding the Fourth Proportional to 20,453.06, 30,702.37 and 10,589.69

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Solution

The fourth proportional to 20,453.06, 30,702.37 and 10,589.69 is: 15,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.06 : 30,702.37 = 10,589.69 : x
  2. Step 2: Convert to fraction form
    20,453.06/30,702.37 = 10,589.69/x
  3. Step 3: Cross multiply
    20,453.06x = 30,702.37 × 10,589.69
  4. Step 4: Simplify right side
    20,453.06x = 325,128,450.86
  5. Step 5: Solve for x
    x = 325,128,450.86/20,453.06
  6. Step 6: Final answer
    x = 15,896.33

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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.