Home / 13,800.24-20,667.42-7,550.91

Finding the Fourth Proportional to 13,800.24, 20,667.42 and 7,550.91

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Solution

The fourth proportional to 13,800.24, 20,667.42 and 7,550.91 is: 11,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.24 : 20,667.42 = 7,550.91 : x
  2. Step 2: Convert to fraction form
    13,800.24/20,667.42 = 7,550.91/x
  3. Step 3: Cross multiply
    13,800.24x = 20,667.42 × 7,550.91
  4. Step 4: Simplify right side
    13,800.24x = 156,057,828.35
  5. Step 5: Solve for x
    x = 156,057,828.35/13,800.24
  6. Step 6: Final answer
    x = 11,308.34

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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.