Home / 15,443.26-21,311.51-8,369.53

Finding the Fourth Proportional to 15,443.26, 21,311.51 and 8,369.53

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Solution

The fourth proportional to 15,443.26, 21,311.51 and 8,369.53 is: 11,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.26 : 21,311.51 = 8,369.53 : x
  2. Step 2: Convert to fraction form
    15,443.26/21,311.51 = 8,369.53/x
  3. Step 3: Cross multiply
    15,443.26x = 21,311.51 × 8,369.53
  4. Step 4: Simplify right side
    15,443.26x = 178,367,227.16
  5. Step 5: Solve for x
    x = 178,367,227.16/15,443.26
  6. Step 6: Final answer
    x = 11,549.84

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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.