Home / 11,302.20-16,953.30-2,982.20

Finding the Fourth Proportional to 11,302.20, 16,953.30 and 2,982.20

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Solution

The fourth proportional to 11,302.20, 16,953.30 and 2,982.20 is: 4,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.20 : 16,953.30 = 2,982.20 : x
  2. Step 2: Convert to fraction form
    11,302.20/16,953.30 = 2,982.20/x
  3. Step 3: Cross multiply
    11,302.20x = 16,953.30 × 2,982.20
  4. Step 4: Simplify right side
    11,302.20x = 50,558,131.26
  5. Step 5: Solve for x
    x = 50,558,131.26/11,302.20
  6. Step 6: Final answer
    x = 4,473.30

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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.