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Finding the Fourth Proportional to 11,706.36, 17,557.08 and 4,308.88

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Solution

The fourth proportional to 11,706.36, 17,557.08 and 4,308.88 is: 6,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.36 : 17,557.08 = 4,308.88 : x
  2. Step 2: Convert to fraction form
    11,706.36/17,557.08 = 4,308.88/x
  3. Step 3: Cross multiply
    11,706.36x = 17,557.08 × 4,308.88
  4. Step 4: Simplify right side
    11,706.36x = 75,651,350.87
  5. Step 5: Solve for x
    x = 75,651,350.87/11,706.36
  6. Step 6: Final answer
    x = 6,462.41

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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.