Home / 11,156.96-16,728.24-6,477.92

Finding the Fourth Proportional to 11,156.96, 16,728.24 and 6,477.92

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Solution

The fourth proportional to 11,156.96, 16,728.24 and 6,477.92 is: 9,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.96 : 16,728.24 = 6,477.92 : x
  2. Step 2: Convert to fraction form
    11,156.96/16,728.24 = 6,477.92/x
  3. Step 3: Cross multiply
    11,156.96x = 16,728.24 × 6,477.92
  4. Step 4: Simplify right side
    11,156.96x = 108,364,200.46
  5. Step 5: Solve for x
    x = 108,364,200.46/11,156.96
  6. Step 6: Final answer
    x = 9,712.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.