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Finding the Fourth Proportional to 17,838.27, 26,774.01 and 9,079.74

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Solution

The fourth proportional to 17,838.27, 26,774.01 and 9,079.74 is: 13,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.27 : 26,774.01 = 9,079.74 : x
  2. Step 2: Convert to fraction form
    17,838.27/26,774.01 = 9,079.74/x
  3. Step 3: Cross multiply
    17,838.27x = 26,774.01 × 9,079.74
  4. Step 4: Simplify right side
    17,838.27x = 243,101,049.56
  5. Step 5: Solve for x
    x = 243,101,049.56/17,838.27
  6. Step 6: Final answer
    x = 13,628.06

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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.