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Finding the Fourth Proportional to 12,392, 18,588 and 4,184

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Solution

The fourth proportional to 12,392, 18,588 and 4,184 is: 6,276

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392 : 18,588 = 4,184 : x
  2. Step 2: Convert to fraction form
    12,392/18,588 = 4,184/x
  3. Step 3: Cross multiply
    12,392x = 18,588 × 4,184
  4. Step 4: Simplify right side
    12,392x = 77,772,192
  5. Step 5: Solve for x
    x = 77,772,192/12,392
  6. Step 6: Final answer
    x = 6,276

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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.