Home / 11,529.92-15,911.56-6,493.74

Finding the Fourth Proportional to 11,529.92, 15,911.56 and 6,493.74

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Solution

The fourth proportional to 11,529.92, 15,911.56 and 6,493.74 is: 8,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.92 : 15,911.56 = 6,493.74 : x
  2. Step 2: Convert to fraction form
    11,529.92/15,911.56 = 6,493.74/x
  3. Step 3: Cross multiply
    11,529.92x = 15,911.56 × 6,493.74
  4. Step 4: Simplify right side
    11,529.92x = 103,325,533.63
  5. Step 5: Solve for x
    x = 103,325,533.63/11,529.92
  6. Step 6: Final answer
    x = 8,961.51

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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.