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Finding the Fourth Proportional to 24,102.51, 33,262.70 and 13,491.51

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Solution

The fourth proportional to 24,102.51, 33,262.70 and 13,491.51 is: 18,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,102.51 : 33,262.70 = 13,491.51 : x
  2. Step 2: Convert to fraction form
    24,102.51/33,262.70 = 13,491.51/x
  3. Step 3: Cross multiply
    24,102.51x = 33,262.70 × 13,491.51
  4. Step 4: Simplify right side
    24,102.51x = 448,763,982.22
  5. Step 5: Solve for x
    x = 448,763,982.22/24,102.51
  6. Step 6: Final answer
    x = 18,618.97

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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.