Home / 11,490.72-17,236.08-6,293.76

Finding the Fourth Proportional to 11,490.72, 17,236.08 and 6,293.76

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Solution

The fourth proportional to 11,490.72, 17,236.08 and 6,293.76 is: 9,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.72 : 17,236.08 = 6,293.76 : x
  2. Step 2: Convert to fraction form
    11,490.72/17,236.08 = 6,293.76/x
  3. Step 3: Cross multiply
    11,490.72x = 17,236.08 × 6,293.76
  4. Step 4: Simplify right side
    11,490.72x = 108,479,750.86
  5. Step 5: Solve for x
    x = 108,479,750.86/11,490.72
  6. Step 6: Final answer
    x = 9,440.64

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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.