Home / 12,102.05-16,701.66-6,725.12

Finding the Fourth Proportional to 12,102.05, 16,701.66 and 6,725.12

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Solution

The fourth proportional to 12,102.05, 16,701.66 and 6,725.12 is: 9,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.05 : 16,701.66 = 6,725.12 : x
  2. Step 2: Convert to fraction form
    12,102.05/16,701.66 = 6,725.12/x
  3. Step 3: Cross multiply
    12,102.05x = 16,701.66 × 6,725.12
  4. Step 4: Simplify right side
    12,102.05x = 112,320,667.70
  5. Step 5: Solve for x
    x = 112,320,667.70/12,102.05
  6. Step 6: Final answer
    x = 9,281.13

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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.