Home / 11,156.13-16,729.34-3,759.21

Finding the Fourth Proportional to 11,156.13, 16,729.34 and 3,759.21

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Solution

The fourth proportional to 11,156.13, 16,729.34 and 3,759.21 is: 5,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.13 : 16,729.34 = 3,759.21 : x
  2. Step 2: Convert to fraction form
    11,156.13/16,729.34 = 3,759.21/x
  3. Step 3: Cross multiply
    11,156.13x = 16,729.34 × 3,759.21
  4. Step 4: Simplify right side
    11,156.13x = 62,889,083.43
  5. Step 5: Solve for x
    x = 62,889,083.43/11,156.13
  6. Step 6: Final answer
    x = 5,637.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.