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Finding the Fourth Proportional to 12,484.58, 17,226.68 and 7,379.39

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Solution

The fourth proportional to 12,484.58, 17,226.68 and 7,379.39 is: 10,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.58 : 17,226.68 = 7,379.39 : x
  2. Step 2: Convert to fraction form
    12,484.58/17,226.68 = 7,379.39/x
  3. Step 3: Cross multiply
    12,484.58x = 17,226.68 × 7,379.39
  4. Step 4: Simplify right side
    12,484.58x = 127,122,299.39
  5. Step 5: Solve for x
    x = 127,122,299.39/12,484.58
  6. Step 6: Final answer
    x = 10,182.34

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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.