Home / 11,212.40-16,819.25-5,659.25

Finding the Fourth Proportional to 11,212.40, 16,819.25 and 5,659.25

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Solution

The fourth proportional to 11,212.40, 16,819.25 and 5,659.25 is: 8,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.40 : 16,819.25 = 5,659.25 : x
  2. Step 2: Convert to fraction form
    11,212.40/16,819.25 = 5,659.25/x
  3. Step 3: Cross multiply
    11,212.40x = 16,819.25 × 5,659.25
  4. Step 4: Simplify right side
    11,212.40x = 95,184,228.17
  5. Step 5: Solve for x
    x = 95,184,228.17/11,212.40
  6. Step 6: Final answer
    x = 8,489.20

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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.