Home / 13,546.28-20,319.42-5,749.62

Finding the Fourth Proportional to 13,546.28, 20,319.42 and 5,749.62

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Solution

The fourth proportional to 13,546.28, 20,319.42 and 5,749.62 is: 8,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.28 : 20,319.42 = 5,749.62 : x
  2. Step 2: Convert to fraction form
    13,546.28/20,319.42 = 5,749.62/x
  3. Step 3: Cross multiply
    13,546.28x = 20,319.42 × 5,749.62
  4. Step 4: Simplify right side
    13,546.28x = 116,828,943.62
  5. Step 5: Solve for x
    x = 116,828,943.62/13,546.28
  6. Step 6: Final answer
    x = 8,624.43

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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.