Home / 20,348.06-30,530.12-6,309.19

Finding the Fourth Proportional to 20,348.06, 30,530.12 and 6,309.19

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Solution

The fourth proportional to 20,348.06, 30,530.12 and 6,309.19 is: 9,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.06 : 30,530.12 = 6,309.19 : x
  2. Step 2: Convert to fraction form
    20,348.06/30,530.12 = 6,309.19/x
  3. Step 3: Cross multiply
    20,348.06x = 30,530.12 × 6,309.19
  4. Step 4: Simplify right side
    20,348.06x = 192,620,327.80
  5. Step 5: Solve for x
    x = 192,620,327.80/20,348.06
  6. Step 6: Final answer
    x = 9,466.27

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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.