Home / 10,213.20-15,326.40-5,536.44

Finding the Fourth Proportional to 10,213.20, 15,326.40 and 5,536.44

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Solution

The fourth proportional to 10,213.20, 15,326.40 and 5,536.44 is: 8,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.20 : 15,326.40 = 5,536.44 : x
  2. Step 2: Convert to fraction form
    10,213.20/15,326.40 = 5,536.44/x
  3. Step 3: Cross multiply
    10,213.20x = 15,326.40 × 5,536.44
  4. Step 4: Simplify right side
    10,213.20x = 84,853,694.02
  5. Step 5: Solve for x
    x = 84,853,694.02/10,213.20
  6. Step 6: Final answer
    x = 8,308.24

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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.