Home / 13,911.72-19,192.14-9,202.56

Finding the Fourth Proportional to 13,911.72, 19,192.14 and 9,202.56

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Solution

The fourth proportional to 13,911.72, 19,192.14 and 9,202.56 is: 12,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.72 : 19,192.14 = 9,202.56 : x
  2. Step 2: Convert to fraction form
    13,911.72/19,192.14 = 9,202.56/x
  3. Step 3: Cross multiply
    13,911.72x = 19,192.14 × 9,202.56
  4. Step 4: Simplify right side
    13,911.72x = 176,616,819.88
  5. Step 5: Solve for x
    x = 176,616,819.88/13,911.72
  6. Step 6: Final answer
    x = 12,695.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.