Home / 13,166.34-19,712.79-8,997.54

Finding the Fourth Proportional to 13,166.34, 19,712.79 and 8,997.54

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Solution

The fourth proportional to 13,166.34, 19,712.79 and 8,997.54 is: 13,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.34 : 19,712.79 = 8,997.54 : x
  2. Step 2: Convert to fraction form
    13,166.34/19,712.79 = 8,997.54/x
  3. Step 3: Cross multiply
    13,166.34x = 19,712.79 × 8,997.54
  4. Step 4: Simplify right side
    13,166.34x = 177,366,616.54
  5. Step 5: Solve for x
    x = 177,366,616.54/13,166.34
  6. Step 6: Final answer
    x = 13,471.22

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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.