Home / 11,663.80-17,495.62-2,898.70

Finding the Fourth Proportional to 11,663.80, 17,495.62 and 2,898.70

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Solution

The fourth proportional to 11,663.80, 17,495.62 and 2,898.70 is: 4,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.80 : 17,495.62 = 2,898.70 : x
  2. Step 2: Convert to fraction form
    11,663.80/17,495.62 = 2,898.70/x
  3. Step 3: Cross multiply
    11,663.80x = 17,495.62 × 2,898.70
  4. Step 4: Simplify right side
    11,663.80x = 50,714,553.69
  5. Step 5: Solve for x
    x = 50,714,553.69/11,663.80
  6. Step 6: Final answer
    x = 4,348.03

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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.