Home / 13,306.20-19,962.77-4,986.34

Finding the Fourth Proportional to 13,306.20, 19,962.77 and 4,986.34

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Solution

The fourth proportional to 13,306.20, 19,962.77 and 4,986.34 is: 7,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.20 : 19,962.77 = 4,986.34 : x
  2. Step 2: Convert to fraction form
    13,306.20/19,962.77 = 4,986.34/x
  3. Step 3: Cross multiply
    13,306.20x = 19,962.77 × 4,986.34
  4. Step 4: Simplify right side
    13,306.20x = 99,541,158.56
  5. Step 5: Solve for x
    x = 99,541,158.56/13,306.20
  6. Step 6: Final answer
    x = 7,480.81

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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.