Home / 13,908.24-20,850.48-5,141.52

Finding the Fourth Proportional to 13,908.24, 20,850.48 and 5,141.52

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Solution

The fourth proportional to 13,908.24, 20,850.48 and 5,141.52 is: 7,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.24 : 20,850.48 = 5,141.52 : x
  2. Step 2: Convert to fraction form
    13,908.24/20,850.48 = 5,141.52/x
  3. Step 3: Cross multiply
    13,908.24x = 20,850.48 × 5,141.52
  4. Step 4: Simplify right side
    13,908.24x = 107,203,159.93
  5. Step 5: Solve for x
    x = 107,203,159.93/13,908.24
  6. Step 6: Final answer
    x = 7,707.89

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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.