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Finding the Fourth Proportional to 15,934.41, 23,902.02 and 8,910.50

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Solution

The fourth proportional to 15,934.41, 23,902.02 and 8,910.50 is: 13,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.41 : 23,902.02 = 8,910.50 : x
  2. Step 2: Convert to fraction form
    15,934.41/23,902.02 = 8,910.50/x
  3. Step 3: Cross multiply
    15,934.41x = 23,902.02 × 8,910.50
  4. Step 4: Simplify right side
    15,934.41x = 212,978,829.70
  5. Step 5: Solve for x
    x = 212,978,829.70/15,934.41
  6. Step 6: Final answer
    x = 13,365.97

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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.