Home / 9,363.18-12,920.84-5,171.34

Finding the Fourth Proportional to 9,363.18, 12,920.84 and 5,171.34

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Solution

The fourth proportional to 9,363.18, 12,920.84 and 5,171.34 is: 7,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.18 : 12,920.84 = 5,171.34 : x
  2. Step 2: Convert to fraction form
    9,363.18/12,920.84 = 5,171.34/x
  3. Step 3: Cross multiply
    9,363.18x = 12,920.84 × 5,171.34
  4. Step 4: Simplify right side
    9,363.18x = 66,818,056.73
  5. Step 5: Solve for x
    x = 66,818,056.73/9,363.18
  6. Step 6: Final answer
    x = 7,136.26

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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.