Home / 11,530.28-15,910.60-6,493.70

Finding the Fourth Proportional to 11,530.28, 15,910.60 and 6,493.70

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Solution

The fourth proportional to 11,530.28, 15,910.60 and 6,493.70 is: 8,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.28 : 15,910.60 = 6,493.70 : x
  2. Step 2: Convert to fraction form
    11,530.28/15,910.60 = 6,493.70/x
  3. Step 3: Cross multiply
    11,530.28x = 15,910.60 × 6,493.70
  4. Step 4: Simplify right side
    11,530.28x = 103,318,663.22
  5. Step 5: Solve for x
    x = 103,318,663.22/11,530.28
  6. Step 6: Final answer
    x = 8,960.64

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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.