Home / 17,661.64-26,492.59-5,181.86

Finding the Fourth Proportional to 17,661.64, 26,492.59 and 5,181.86

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Solution

The fourth proportional to 17,661.64, 26,492.59 and 5,181.86 is: 7,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.64 : 26,492.59 = 5,181.86 : x
  2. Step 2: Convert to fraction form
    17,661.64/26,492.59 = 5,181.86/x
  3. Step 3: Cross multiply
    17,661.64x = 26,492.59 × 5,181.86
  4. Step 4: Simplify right side
    17,661.64x = 137,280,892.42
  5. Step 5: Solve for x
    x = 137,280,892.42/17,661.64
  6. Step 6: Final answer
    x = 7,772.83

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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.