Home / 17,911.90-26,871.73-6,818.80

Finding the Fourth Proportional to 17,911.90, 26,871.73 and 6,818.80

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Solution

The fourth proportional to 17,911.90, 26,871.73 and 6,818.80 is: 10,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.90 : 26,871.73 = 6,818.80 : x
  2. Step 2: Convert to fraction form
    17,911.90/26,871.73 = 6,818.80/x
  3. Step 3: Cross multiply
    17,911.90x = 26,871.73 × 6,818.80
  4. Step 4: Simplify right side
    17,911.90x = 183,232,952.52
  5. Step 5: Solve for x
    x = 183,232,952.52/17,911.90
  6. Step 6: Final answer
    x = 10,229.68

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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.