Home / 11,283.03-16,905.87-7,979.76

Finding the Fourth Proportional to 11,283.03, 16,905.87 and 7,979.76

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Solution

The fourth proportional to 11,283.03, 16,905.87 and 7,979.76 is: 11,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.03 : 16,905.87 = 7,979.76 : x
  2. Step 2: Convert to fraction form
    11,283.03/16,905.87 = 7,979.76/x
  3. Step 3: Cross multiply
    11,283.03x = 16,905.87 × 7,979.76
  4. Step 4: Simplify right side
    11,283.03x = 134,904,785.19
  5. Step 5: Solve for x
    x = 134,904,785.19/11,283.03
  6. Step 6: Final answer
    x = 11,956.43

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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.