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Finding the Fourth Proportional to 19,469, 26,867.22 and 10,637

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Solution

The fourth proportional to 19,469, 26,867.22 and 10,637 is: 14,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469 : 26,867.22 = 10,637 : x
  2. Step 2: Convert to fraction form
    19,469/26,867.22 = 10,637/x
  3. Step 3: Cross multiply
    19,469x = 26,867.22 × 10,637
  4. Step 4: Simplify right side
    19,469x = 285,786,619.14
  5. Step 5: Solve for x
    x = 285,786,619.14/19,469
  6. Step 6: Final answer
    x = 14,679.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.