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Finding the Fourth Proportional to 17,892.02, 26,837.55 and 8,538.64

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Solution

The fourth proportional to 17,892.02, 26,837.55 and 8,538.64 is: 12,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.02 : 26,837.55 = 8,538.64 : x
  2. Step 2: Convert to fraction form
    17,892.02/26,837.55 = 8,538.64/x
  3. Step 3: Cross multiply
    17,892.02x = 26,837.55 × 8,538.64
  4. Step 4: Simplify right side
    17,892.02x = 229,156,110.84
  5. Step 5: Solve for x
    x = 229,156,110.84/17,892.02
  6. Step 6: Final answer
    x = 12,807.73

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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.