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Finding the Fourth Proportional to 17,310.40, 25,973.70 and 8,999.80

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Solution

The fourth proportional to 17,310.40, 25,973.70 and 8,999.80 is: 13,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.40 : 25,973.70 = 8,999.80 : x
  2. Step 2: Convert to fraction form
    17,310.40/25,973.70 = 8,999.80/x
  3. Step 3: Cross multiply
    17,310.40x = 25,973.70 × 8,999.80
  4. Step 4: Simplify right side
    17,310.40x = 233,758,105.26
  5. Step 5: Solve for x
    x = 233,758,105.26/17,310.40
  6. Step 6: Final answer
    x = 13,503.91

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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.