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Finding the Fourth Proportional to 12,377.95, 17,081.58 and 6,712.64

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Solution

The fourth proportional to 12,377.95, 17,081.58 and 6,712.64 is: 9,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.95 : 17,081.58 = 6,712.64 : x
  2. Step 2: Convert to fraction form
    12,377.95/17,081.58 = 6,712.64/x
  3. Step 3: Cross multiply
    12,377.95x = 17,081.58 × 6,712.64
  4. Step 4: Simplify right side
    12,377.95x = 114,662,500.99
  5. Step 5: Solve for x
    x = 114,662,500.99/12,377.95
  6. Step 6: Final answer
    x = 9,263.45

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