Home / 21,035.71-29,029.31-11,604.25

Finding the Fourth Proportional to 21,035.71, 29,029.31 and 11,604.25

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Solution

The fourth proportional to 21,035.71, 29,029.31 and 11,604.25 is: 16,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.71 : 29,029.31 = 11,604.25 : x
  2. Step 2: Convert to fraction form
    21,035.71/29,029.31 = 11,604.25/x
  3. Step 3: Cross multiply
    21,035.71x = 29,029.31 × 11,604.25
  4. Step 4: Simplify right side
    21,035.71x = 336,863,370.57
  5. Step 5: Solve for x
    x = 336,863,370.57/21,035.71
  6. Step 6: Final answer
    x = 16,013.88

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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.