Home / 11,227.52-15,493.30-6,748.64

Finding the Fourth Proportional to 11,227.52, 15,493.30 and 6,748.64

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Solution

The fourth proportional to 11,227.52, 15,493.30 and 6,748.64 is: 9,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.52 : 15,493.30 = 6,748.64 : x
  2. Step 2: Convert to fraction form
    11,227.52/15,493.30 = 6,748.64/x
  3. Step 3: Cross multiply
    11,227.52x = 15,493.30 × 6,748.64
  4. Step 4: Simplify right side
    11,227.52x = 104,558,704.11
  5. Step 5: Solve for x
    x = 104,558,704.11/11,227.52
  6. Step 6: Final answer
    x = 9,312.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.