Home / 13,839.18-20,739.30-6,031.62

Finding the Fourth Proportional to 13,839.18, 20,739.30 and 6,031.62

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Solution

The fourth proportional to 13,839.18, 20,739.30 and 6,031.62 is: 9,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.18 : 20,739.30 = 6,031.62 : x
  2. Step 2: Convert to fraction form
    13,839.18/20,739.30 = 6,031.62/x
  3. Step 3: Cross multiply
    13,839.18x = 20,739.30 × 6,031.62
  4. Step 4: Simplify right side
    13,839.18x = 125,091,576.67
  5. Step 5: Solve for x
    x = 125,091,576.67/13,839.18
  6. Step 6: Final answer
    x = 9,038.94

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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.