Home / 13,744.56-20,615.81-4,384.20

Finding the Fourth Proportional to 13,744.56, 20,615.81 and 4,384.20

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Solution

The fourth proportional to 13,744.56, 20,615.81 and 4,384.20 is: 6,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.56 : 20,615.81 = 4,384.20 : x
  2. Step 2: Convert to fraction form
    13,744.56/20,615.81 = 4,384.20/x
  3. Step 3: Cross multiply
    13,744.56x = 20,615.81 × 4,384.20
  4. Step 4: Simplify right side
    13,744.56x = 90,383,834.20
  5. Step 5: Solve for x
    x = 90,383,834.20/13,744.56
  6. Step 6: Final answer
    x = 6,575.97

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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.