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Finding the Fourth Proportional to 17,099.40, 25,649.12 and 7,104

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Solution

The fourth proportional to 17,099.40, 25,649.12 and 7,104 is: 10,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,099.40 : 25,649.12 = 7,104 : x
  2. Step 2: Convert to fraction form
    17,099.40/25,649.12 = 7,104/x
  3. Step 3: Cross multiply
    17,099.40x = 25,649.12 × 7,104
  4. Step 4: Simplify right side
    17,099.40x = 182,211,348.48
  5. Step 5: Solve for x
    x = 182,211,348.48/17,099.40
  6. Step 6: Final answer
    x = 10,656.01

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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.