Home / 21,159.23-29,198.21-11,597.58

Finding the Fourth Proportional to 21,159.23, 29,198.21 and 11,597.58

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Solution

The fourth proportional to 21,159.23, 29,198.21 and 11,597.58 is: 16,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159.23 : 29,198.21 = 11,597.58 : x
  2. Step 2: Convert to fraction form
    21,159.23/29,198.21 = 11,597.58/x
  3. Step 3: Cross multiply
    21,159.23x = 29,198.21 × 11,597.58
  4. Step 4: Simplify right side
    21,159.23x = 338,628,518.34
  5. Step 5: Solve for x
    x = 338,628,518.34/21,159.23
  6. Step 6: Final answer
    x = 16,003.82

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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.