Home / 17,221.98-23,764.32-9,666.66

Finding the Fourth Proportional to 17,221.98, 23,764.32 and 9,666.66

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Solution

The fourth proportional to 17,221.98, 23,764.32 and 9,666.66 is: 13,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.98 : 23,764.32 = 9,666.66 : x
  2. Step 2: Convert to fraction form
    17,221.98/23,764.32 = 9,666.66/x
  3. Step 3: Cross multiply
    17,221.98x = 23,764.32 × 9,666.66
  4. Step 4: Simplify right side
    17,221.98x = 229,721,601.57
  5. Step 5: Solve for x
    x = 229,721,601.57/17,221.98
  6. Step 6: Final answer
    x = 13,338.86

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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.