Home / 8,153.96-11,253.59-5,170.07

Finding the Fourth Proportional to 8,153.96, 11,253.59 and 5,170.07

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Solution

The fourth proportional to 8,153.96, 11,253.59 and 5,170.07 is: 7,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.96 : 11,253.59 = 5,170.07 : x
  2. Step 2: Convert to fraction form
    8,153.96/11,253.59 = 5,170.07/x
  3. Step 3: Cross multiply
    8,153.96x = 11,253.59 × 5,170.07
  4. Step 4: Simplify right side
    8,153.96x = 58,181,889.11
  5. Step 5: Solve for x
    x = 58,181,889.11/8,153.96
  6. Step 6: Final answer
    x = 7,135.42

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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.