Home / 9,690.06-13,370.46-5,712.42

Finding the Fourth Proportional to 9,690.06, 13,370.46 and 5,712.42

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Solution

The fourth proportional to 9,690.06, 13,370.46 and 5,712.42 is: 7,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.06 : 13,370.46 = 5,712.42 : x
  2. Step 2: Convert to fraction form
    9,690.06/13,370.46 = 5,712.42/x
  3. Step 3: Cross multiply
    9,690.06x = 13,370.46 × 5,712.42
  4. Step 4: Simplify right side
    9,690.06x = 76,377,683.11
  5. Step 5: Solve for x
    x = 76,377,683.11/9,690.06
  6. Step 6: Final answer
    x = 7,882.07

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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.