Home / 13,744.57-20,615.81-4,384.21

Finding the Fourth Proportional to 13,744.57, 20,615.81 and 4,384.21

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Solution

The fourth proportional to 13,744.57, 20,615.81 and 4,384.21 is: 6,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.57 : 20,615.81 = 4,384.21 : x
  2. Step 2: Convert to fraction form
    13,744.57/20,615.81 = 4,384.21/x
  3. Step 3: Cross multiply
    13,744.57x = 20,615.81 × 4,384.21
  4. Step 4: Simplify right side
    13,744.57x = 90,384,040.36
  5. Step 5: Solve for x
    x = 90,384,040.36/13,744.57
  6. Step 6: Final answer
    x = 6,575.98

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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.