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Finding the Fourth Proportional to 18,008.30, 27,012.45 and 9,244.10

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Solution

The fourth proportional to 18,008.30, 27,012.45 and 9,244.10 is: 13,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.30 : 27,012.45 = 9,244.10 : x
  2. Step 2: Convert to fraction form
    18,008.30/27,012.45 = 9,244.10/x
  3. Step 3: Cross multiply
    18,008.30x = 27,012.45 × 9,244.10
  4. Step 4: Simplify right side
    18,008.30x = 249,705,789.05
  5. Step 5: Solve for x
    x = 249,705,789.05/18,008.30
  6. Step 6: Final answer
    x = 13,866.15

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Similar ratio
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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.