Home / 11,816.52-17,714.70-5,239.11

Finding the Fourth Proportional to 11,816.52, 17,714.70 and 5,239.11

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Solution

The fourth proportional to 11,816.52, 17,714.70 and 5,239.11 is: 7,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.52 : 17,714.70 = 5,239.11 : x
  2. Step 2: Convert to fraction form
    11,816.52/17,714.70 = 5,239.11/x
  3. Step 3: Cross multiply
    11,816.52x = 17,714.70 × 5,239.11
  4. Step 4: Simplify right side
    11,816.52x = 92,809,261.92
  5. Step 5: Solve for x
    x = 92,809,261.92/11,816.52
  6. Step 6: Final answer
    x = 7,854.20

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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.