Home / 20,348.15-30,523.03-6,309.63

Finding the Fourth Proportional to 20,348.15, 30,523.03 and 6,309.63

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Solution

The fourth proportional to 20,348.15, 30,523.03 and 6,309.63 is: 9,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.15 : 30,523.03 = 6,309.63 : x
  2. Step 2: Convert to fraction form
    20,348.15/30,523.03 = 6,309.63/x
  3. Step 3: Cross multiply
    20,348.15x = 30,523.03 × 6,309.63
  4. Step 4: Simplify right side
    20,348.15x = 192,589,010.00
  5. Step 5: Solve for x
    x = 192,589,010.00/20,348.15
  6. Step 6: Final answer
    x = 9,464.70

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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.