Home / 11,529.43-15,910.64-6,748.50

Finding the Fourth Proportional to 11,529.43, 15,910.64 and 6,748.50

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Solution

The fourth proportional to 11,529.43, 15,910.64 and 6,748.50 is: 9,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.43 : 15,910.64 = 6,748.50 : x
  2. Step 2: Convert to fraction form
    11,529.43/15,910.64 = 6,748.50/x
  3. Step 3: Cross multiply
    11,529.43x = 15,910.64 × 6,748.50
  4. Step 4: Simplify right side
    11,529.43x = 107,373,005.27
  5. Step 5: Solve for x
    x = 107,373,005.27/11,529.43
  6. Step 6: Final answer
    x = 9,312.95

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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.