Home / 17,890.52-26,821.66-11,302.80

Finding the Fourth Proportional to 17,890.52, 26,821.66 and 11,302.80

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Solution

The fourth proportional to 17,890.52, 26,821.66 and 11,302.80 is: 16,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.52 : 26,821.66 = 11,302.80 : x
  2. Step 2: Convert to fraction form
    17,890.52/26,821.66 = 11,302.80/x
  3. Step 3: Cross multiply
    17,890.52x = 26,821.66 × 11,302.80
  4. Step 4: Simplify right side
    17,890.52x = 303,159,858.65
  5. Step 5: Solve for x
    x = 303,159,858.65/17,890.52
  6. Step 6: Final answer
    x = 16,945.28

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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.