Home / 11,821.50-16,337.19-9,693.73

Finding the Fourth Proportional to 11,821.50, 16,337.19 and 9,693.73

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Solution

The fourth proportional to 11,821.50, 16,337.19 and 9,693.73 is: 13,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.50 : 16,337.19 = 9,693.73 : x
  2. Step 2: Convert to fraction form
    11,821.50/16,337.19 = 9,693.73/x
  3. Step 3: Cross multiply
    11,821.50x = 16,337.19 × 9,693.73
  4. Step 4: Simplify right side
    11,821.50x = 158,368,308.82
  5. Step 5: Solve for x
    x = 158,368,308.82/11,821.50
  6. Step 6: Final answer
    x = 13,396.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.