Home / 17,221.24-23,764.26-9,666.28

Finding the Fourth Proportional to 17,221.24, 23,764.26 and 9,666.28

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Solution

The fourth proportional to 17,221.24, 23,764.26 and 9,666.28 is: 13,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.24 : 23,764.26 = 9,666.28 : x
  2. Step 2: Convert to fraction form
    17,221.24/23,764.26 = 9,666.28/x
  3. Step 3: Cross multiply
    17,221.24x = 23,764.26 × 9,666.28
  4. Step 4: Simplify right side
    17,221.24x = 229,711,991.15
  5. Step 5: Solve for x
    x = 229,711,991.15/17,221.24
  6. Step 6: Final answer
    x = 13,338.88

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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.