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Finding the Fourth Proportional to 11,841.66, 16,343.37 and 9,004.47

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Solution

The fourth proportional to 11,841.66, 16,343.37 and 9,004.47 is: 12,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.66 : 16,343.37 = 9,004.47 : x
  2. Step 2: Convert to fraction form
    11,841.66/16,343.37 = 9,004.47/x
  3. Step 3: Cross multiply
    11,841.66x = 16,343.37 × 9,004.47
  4. Step 4: Simplify right side
    11,841.66x = 147,163,323.58
  5. Step 5: Solve for x
    x = 147,163,323.58/11,841.66
  6. Step 6: Final answer
    x = 12,427.59

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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.