Home / 20,343.58-30,519.72-6,303.29

Finding the Fourth Proportional to 20,343.58, 30,519.72 and 6,303.29

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Solution

The fourth proportional to 20,343.58, 30,519.72 and 6,303.29 is: 9,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.58 : 30,519.72 = 6,303.29 : x
  2. Step 2: Convert to fraction form
    20,343.58/30,519.72 = 6,303.29/x
  3. Step 3: Cross multiply
    20,343.58x = 30,519.72 × 6,303.29
  4. Step 4: Simplify right side
    20,343.58x = 192,374,722.18
  5. Step 5: Solve for x
    x = 192,374,722.18/20,343.58
  6. Step 6: Final answer
    x = 9,456.29

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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.