Home / 20,347.90-30,529.89-6,309.03

Finding the Fourth Proportional to 20,347.90, 30,529.89 and 6,309.03

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Solution

The fourth proportional to 20,347.90, 30,529.89 and 6,309.03 is: 9,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.90 : 30,529.89 = 6,309.03 : x
  2. Step 2: Convert to fraction form
    20,347.90/30,529.89 = 6,309.03/x
  3. Step 3: Cross multiply
    20,347.90x = 30,529.89 × 6,309.03
  4. Step 4: Simplify right side
    20,347.90x = 192,614,106.39
  5. Step 5: Solve for x
    x = 192,614,106.39/20,347.90
  6. Step 6: Final answer
    x = 9,466.04

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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.