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Finding the Fourth Proportional to 17,999.40, 27,012.60 and 9,229.80

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Solution

The fourth proportional to 17,999.40, 27,012.60 and 9,229.80 is: 13,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.40 : 27,012.60 = 9,229.80 : x
  2. Step 2: Convert to fraction form
    17,999.40/27,012.60 = 9,229.80/x
  3. Step 3: Cross multiply
    17,999.40x = 27,012.60 × 9,229.80
  4. Step 4: Simplify right side
    17,999.40x = 249,320,895.48
  5. Step 5: Solve for x
    x = 249,320,895.48/17,999.40
  6. Step 6: Final answer
    x = 13,851.62

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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.