Home / 11,134.21-16,705.65-4,209.25

Finding the Fourth Proportional to 11,134.21, 16,705.65 and 4,209.25

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Solution

The fourth proportional to 11,134.21, 16,705.65 and 4,209.25 is: 6,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.21 : 16,705.65 = 4,209.25 : x
  2. Step 2: Convert to fraction form
    11,134.21/16,705.65 = 4,209.25/x
  3. Step 3: Cross multiply
    11,134.21x = 16,705.65 × 4,209.25
  4. Step 4: Simplify right side
    11,134.21x = 70,318,257.26
  5. Step 5: Solve for x
    x = 70,318,257.26/11,134.21
  6. Step 6: Final answer
    x = 6,315.51

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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.