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Finding the Fourth Proportional to 18,235.29, 27,348.78 and 6,548.48

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Solution

The fourth proportional to 18,235.29, 27,348.78 and 6,548.48 is: 9,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.29 : 27,348.78 = 6,548.48 : x
  2. Step 2: Convert to fraction form
    18,235.29/27,348.78 = 6,548.48/x
  3. Step 3: Cross multiply
    18,235.29x = 27,348.78 × 6,548.48
  4. Step 4: Simplify right side
    18,235.29x = 179,092,802.11
  5. Step 5: Solve for x
    x = 179,092,802.11/18,235.29
  6. Step 6: Final answer
    x = 9,821.22

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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.