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Finding the Fourth Proportional to 18,554.58, 27,818.91 and 6,866.28

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Solution

The fourth proportional to 18,554.58, 27,818.91 and 6,866.28 is: 10,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.58 : 27,818.91 = 6,866.28 : x
  2. Step 2: Convert to fraction form
    18,554.58/27,818.91 = 6,866.28/x
  3. Step 3: Cross multiply
    18,554.58x = 27,818.91 × 6,866.28
  4. Step 4: Simplify right side
    18,554.58x = 191,012,425.35
  5. Step 5: Solve for x
    x = 191,012,425.35/18,554.58
  6. Step 6: Final answer
    x = 10,294.62

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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.