Home / 11,754.30-16,219.28-6,717.72

Finding the Fourth Proportional to 11,754.30, 16,219.28 and 6,717.72

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Solution

The fourth proportional to 11,754.30, 16,219.28 and 6,717.72 is: 9,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.30 : 16,219.28 = 6,717.72 : x
  2. Step 2: Convert to fraction form
    11,754.30/16,219.28 = 6,717.72/x
  3. Step 3: Cross multiply
    11,754.30x = 16,219.28 × 6,717.72
  4. Step 4: Simplify right side
    11,754.30x = 108,956,548.05
  5. Step 5: Solve for x
    x = 108,956,548.05/11,754.30
  6. Step 6: Final answer
    x = 9,269.51

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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.