Home / 11,236.52-15,506.34-6,520.70

Finding the Fourth Proportional to 11,236.52, 15,506.34 and 6,520.70

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Solution

The fourth proportional to 11,236.52, 15,506.34 and 6,520.70 is: 8,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.52 : 15,506.34 = 6,520.70 : x
  2. Step 2: Convert to fraction form
    11,236.52/15,506.34 = 6,520.70/x
  3. Step 3: Cross multiply
    11,236.52x = 15,506.34 × 6,520.70
  4. Step 4: Simplify right side
    11,236.52x = 101,112,205.55
  5. Step 5: Solve for x
    x = 101,112,205.55/11,236.52
  6. Step 6: Final answer
    x = 8,998.53

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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.