Home / 21,046.19-29,036.96-13,974.02

Finding the Fourth Proportional to 21,046.19, 29,036.96 and 13,974.02

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Solution

The fourth proportional to 21,046.19, 29,036.96 and 13,974.02 is: 19,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.19 : 29,036.96 = 13,974.02 : x
  2. Step 2: Convert to fraction form
    21,046.19/29,036.96 = 13,974.02/x
  3. Step 3: Cross multiply
    21,046.19x = 29,036.96 × 13,974.02
  4. Step 4: Simplify right side
    21,046.19x = 405,762,914.59
  5. Step 5: Solve for x
    x = 405,762,914.59/21,046.19
  6. Step 6: Final answer
    x = 19,279.64

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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.