Home / 21,194.51-29,248.54-13,241.34

Finding the Fourth Proportional to 21,194.51, 29,248.54 and 13,241.34

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Solution

The fourth proportional to 21,194.51, 29,248.54 and 13,241.34 is: 18,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.51 : 29,248.54 = 13,241.34 : x
  2. Step 2: Convert to fraction form
    21,194.51/29,248.54 = 13,241.34/x
  3. Step 3: Cross multiply
    21,194.51x = 29,248.54 × 13,241.34
  4. Step 4: Simplify right side
    21,194.51x = 387,289,829.54
  5. Step 5: Solve for x
    x = 387,289,829.54/21,194.51
  6. Step 6: Final answer
    x = 18,273.12

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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.