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Finding the Fourth Proportional to 17,893, 26,853.34 and 12,384.84

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Solution

The fourth proportional to 17,893, 26,853.34 and 12,384.84 is: 18,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893 : 26,853.34 = 12,384.84 : x
  2. Step 2: Convert to fraction form
    17,893/26,853.34 = 12,384.84/x
  3. Step 3: Cross multiply
    17,893x = 26,853.34 × 12,384.84
  4. Step 4: Simplify right side
    17,893x = 332,574,319.37
  5. Step 5: Solve for x
    x = 332,574,319.37/17,893
  6. Step 6: Final answer
    x = 18,586.84

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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.