Home / 13,606.38-20,415.36-5,710.83

Finding the Fourth Proportional to 13,606.38, 20,415.36 and 5,710.83

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Solution

The fourth proportional to 13,606.38, 20,415.36 and 5,710.83 is: 8,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.38 : 20,415.36 = 5,710.83 : x
  2. Step 2: Convert to fraction form
    13,606.38/20,415.36 = 5,710.83/x
  3. Step 3: Cross multiply
    13,606.38x = 20,415.36 × 5,710.83
  4. Step 4: Simplify right side
    13,606.38x = 116,588,650.35
  5. Step 5: Solve for x
    x = 116,588,650.35/13,606.38
  6. Step 6: Final answer
    x = 8,568.68

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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.