Home / 11,110.32-16,654.56-4,088.64

Finding the Fourth Proportional to 11,110.32, 16,654.56 and 4,088.64

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Solution

The fourth proportional to 11,110.32, 16,654.56 and 4,088.64 is: 6,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.32 : 16,654.56 = 4,088.64 : x
  2. Step 2: Convert to fraction form
    11,110.32/16,654.56 = 4,088.64/x
  3. Step 3: Cross multiply
    11,110.32x = 16,654.56 × 4,088.64
  4. Step 4: Simplify right side
    11,110.32x = 68,094,500.20
  5. Step 5: Solve for x
    x = 68,094,500.20/11,110.32
  6. Step 6: Final answer
    x = 6,128.94

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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.