Home / 11,203.40-16,808.22-3,412.20

Finding the Fourth Proportional to 11,203.40, 16,808.22 and 3,412.20

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Solution

The fourth proportional to 11,203.40, 16,808.22 and 3,412.20 is: 5,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.40 : 16,808.22 = 3,412.20 : x
  2. Step 2: Convert to fraction form
    11,203.40/16,808.22 = 3,412.20/x
  3. Step 3: Cross multiply
    11,203.40x = 16,808.22 × 3,412.20
  4. Step 4: Simplify right side
    11,203.40x = 57,353,008.28
  5. Step 5: Solve for x
    x = 57,353,008.28/11,203.40
  6. Step 6: Final answer
    x = 5,119.25

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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.