Home / 10,719.21-16,082.60-3,325.53

Finding the Fourth Proportional to 10,719.21, 16,082.60 and 3,325.53

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Solution

The fourth proportional to 10,719.21, 16,082.60 and 3,325.53 is: 4,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.21 : 16,082.60 = 3,325.53 : x
  2. Step 2: Convert to fraction form
    10,719.21/16,082.60 = 3,325.53/x
  3. Step 3: Cross multiply
    10,719.21x = 16,082.60 × 3,325.53
  4. Step 4: Simplify right side
    10,719.21x = 53,483,152.15
  5. Step 5: Solve for x
    x = 53,483,152.15/10,719.21
  6. Step 6: Final answer
    x = 4,989.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.