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Finding the Fourth Proportional to 11,841.58, 16,341.87 and 6,807.39

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Solution

The fourth proportional to 11,841.58, 16,341.87 and 6,807.39 is: 9,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.58 : 16,341.87 = 6,807.39 : x
  2. Step 2: Convert to fraction form
    11,841.58/16,341.87 = 6,807.39/x
  3. Step 3: Cross multiply
    11,841.58x = 16,341.87 × 6,807.39
  4. Step 4: Simplify right side
    11,841.58x = 111,245,482.42
  5. Step 5: Solve for x
    x = 111,245,482.42/11,841.58
  6. Step 6: Final answer
    x = 9,394.48

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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.