Home / 21,092.41-29,097.66-13,535.11

Finding the Fourth Proportional to 21,092.41, 29,097.66 and 13,535.11

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Solution

The fourth proportional to 21,092.41, 29,097.66 and 13,535.11 is: 18,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.41 : 29,097.66 = 13,535.11 : x
  2. Step 2: Convert to fraction form
    21,092.41/29,097.66 = 13,535.11/x
  3. Step 3: Cross multiply
    21,092.41x = 29,097.66 × 13,535.11
  4. Step 4: Simplify right side
    21,092.41x = 393,840,028.84
  5. Step 5: Solve for x
    x = 393,840,028.84/21,092.41
  6. Step 6: Final answer
    x = 18,672.12

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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.