Home / 13,489.68-20,237.24-5,698.48

Finding the Fourth Proportional to 13,489.68, 20,237.24 and 5,698.48

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Solution

The fourth proportional to 13,489.68, 20,237.24 and 5,698.48 is: 8,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.68 : 20,237.24 = 5,698.48 : x
  2. Step 2: Convert to fraction form
    13,489.68/20,237.24 = 5,698.48/x
  3. Step 3: Cross multiply
    13,489.68x = 20,237.24 × 5,698.48
  4. Step 4: Simplify right side
    13,489.68x = 115,321,507.40
  5. Step 5: Solve for x
    x = 115,321,507.40/13,489.68
  6. Step 6: Final answer
    x = 8,548.87

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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.