Home / 21,537.59-29,724.66-12,107.97

Finding the Fourth Proportional to 21,537.59, 29,724.66 and 12,107.97

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Solution

The fourth proportional to 21,537.59, 29,724.66 and 12,107.97 is: 16,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.59 : 29,724.66 = 12,107.97 : x
  2. Step 2: Convert to fraction form
    21,537.59/29,724.66 = 12,107.97/x
  3. Step 3: Cross multiply
    21,537.59x = 29,724.66 × 12,107.97
  4. Step 4: Simplify right side
    21,537.59x = 359,905,291.54
  5. Step 5: Solve for x
    x = 359,905,291.54/21,537.59
  6. Step 6: Final answer
    x = 16,710.57

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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.