Home / 11,529.34-15,910.32-6,493.57

Finding the Fourth Proportional to 11,529.34, 15,910.32 and 6,493.57

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Solution

The fourth proportional to 11,529.34, 15,910.32 and 6,493.57 is: 8,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.34 : 15,910.32 = 6,493.57 : x
  2. Step 2: Convert to fraction form
    11,529.34/15,910.32 = 6,493.57/x
  3. Step 3: Cross multiply
    11,529.34x = 15,910.32 × 6,493.57
  4. Step 4: Simplify right side
    11,529.34x = 103,314,776.64
  5. Step 5: Solve for x
    x = 103,314,776.64/11,529.34
  6. Step 6: Final answer
    x = 8,961.03

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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.